Trends of the periodic table worksheet part 1. View Notes - trends worksheet.

Trends of the periodic table worksheet part 1. In this activity you will look at a few periodic trends that can help you make Explore periodic table trends with this chemistry worksheet. Periodic Table Trends Worksheet ***Use a periodic table to complete this worksheet*** 1. What trend in electronegativity do you see as you go down a group/family on the periodic table? It decreases 10. - FOUR (4) Practice Problems in which students rank elements in order from largest to smallest First Ionization Energy. Li Periodic Table Trends This chapter revisits the periodic table, this time focusing more on some specific properties of the elements that change in a predictable way. It provides exercises and questions related to atomic numbers, atomic masses, element groups, and other fundamental concepts. What happens to the number of valence electrons as you go down a group on the periodic table? Worksheet: Periodic Table Trends Name___________________ KEY For each of the following, circle the correct element. The Periodic Table is a map of the elements. Background for Teachers Why this matters: The periodic table is oddly-shaped, yet is designed to reflect the key properties of all of the elements. Periodic Table And Trends Worksheet Periodic refers to moments in time whereas periodical refers to physical newspapers However in English we rarely use the word This periodic table review game will test your student's knowledge of periods and families, periodic trends, valence shells and electrons, electronegativity, atomic radius, atomic numbers, mass numbers, ionization energy, and the location of metals and nonmetals. These worksheets aim to foster a deeper connection between students and the periodic table, making the Understanding Periodic Trends Periodic trends refer to the predictable patterns observed in the periodic table, particularly in the properties of elements. The questions cover topics like ion formation, metallic and nonmetallic character, and This is a graphing activity that emphasizes the different trends of the periodic table. Worksheet and answer key covering the periodic table, atomic structure, valence electrons, and periodic trends. Nothing 2. Using the data below, make a bar graph of atomic radius vs. It defines periods as rows containing elements with increasing atomic number from left to right, and groups/families as columns of elements with the same valence electrons. Jan 29, 2024 · Summary In this activity, students will assemble a fictitious periodic table based on clues about the structure of the real periodic table. E. a. Explain the trends involving ionization energy, atomic radii, electronegativity, electron affinity, and ionic radii that are evident in the various groups and periods of the periodic table. For example, consider first ionization energy: Coulomb's law tells us that the greater the nuclear charge (q₁) and the shorter the distance between the nucleus and the outermost electron (r), the stronger Study with Quizlet and memorize flashcards containing terms like ionization energy, atomic radius increases, Electronegativity and more. You will need to use the table in your textbook. Which of the following elements is most likely to have similar properties to those of sodium (Na)? The document is a worksheet focused on periodic trends, requiring students to use the periodic table to compare atomic radius, ionization energy, cation and anion sizes, and electronegativity values of various elements. Covers atomic radius, ionization energy, electronegativity, and metallic character. It also answers questions about trends in atomic radius, ionization energy and electronegativity across the periodic table, including ordering elements by these properties and defining each term. Use your knowledge of the atom structures and the periodic table to make predictions about the various periodic tables listed below (Try to make predictions without using notes, the GOOGLE, or any other resources!! Really! I am not grading this for accuracy!) a. Students will learn about protons, neutrons, and electrons, and how to determine the number of each based on an element's atomic mass and atomic number. Mg, Si, S All are in the same period and use the same number of energy levels. ‣ When we say atomic radius, we more often mean bonding atomic radius. Use your understanding of trends in the periodic table to predict their order of increasing ionization energy, atomic radius, electron affinity, and electronegativity. Worksheet 1 asks students to describe contributions of scientists to developing the periodic table, write noble gas configurations of elements, compare configurations within the same group, describe information provided by an element's block location, identify alkali metals, alkaline earth metals, d-block elements, halogens, metalloids Our collection of Periodic Table Worksheets in PDF format is designed to provide a comprehensive and interactive learning experience for students of all levels. Practice problems, detailed explanations, and step-by-step solutions to master the material. Students will learn about electronegativity, electron affinity, atomic radius, and ionization energy. These worksheets cover a wide range of topics, from the basic properties of elements to more advanced concepts such as electron configurations and trends in the periodic table. Periodic Trends Can the properties of an element be predicted using a periodic table? Why? The periodic table is often considered to be the "best friend" of chemists and chemistry students alike. 2 - Students know elements in the periodic table are arranged into groups and periods by repeating patterns and relationships. Mar 4, 2022 · The structure of the periodic table is such that elements with similar properties are aligned vertically in columns called “groups “or “families”. Head Nov 5, 2020 · View full document Trends of the periodic table worksheet Name: Mana Nonu Period: 5 PART II: 1. 99 Å for the atomic radius of Cl, predict the Worksheet – Periodic Trends Practice 1. Predict the number of valence electrons for each element based on its location in the Periodic Table of Elements. What is the number of valence electrons for the next four elements. Question: Worksheet Part I: Periodic Trends Atomic Radius The graph below plots the atomic radius versus the atomic number for the first 18 elements of the periodic table. Elements with similar physical and chemical properties belong in a group. Practice periodic trends with this chemistry worksheet. Understanding Periodic Trends Periodic trends refer to the predictable patterns observed in the periodic table, particularly in the properties of elements. These periodic trends illustrate the aspects of various elements which include radius and other electronic properties in the table. ) Why do elements in the same family generally have similar properties? 4. Using a periodic table of elements, fill in the table. The periodic trend in metal activity within a period (horizontal row) of the periodic table is as one goes across (left to right) the period, the less reactive or the less the metal has activity. Answer Key 3G + F ext Periodic Trends Can the properties of an clement be predicted using a periodic table? Why? ‘The periodic table is often considered to be the “best friend” of chemists and chemistry students alike. ) Lithium Periodic Trends Worksheet 1. The periodic table is useful for predicting behavior of elements if you know periodic trends in properties. Part C: Periodic Table Trends In chemistry the term ______________________ refers to a regular pattern in the properties of elements based on their atomic structure. 48 Å. 10. table. These are our images collection about Trends Of The Periodic Table Worksheet Part 1 Answer Key. What causes this trend? The valance electrons get further away from the nucleus, thus decreasing the attractive force between those valance electrons and the nucleus. CHM261PeriodicTrendsAnswerKey Back to Periodic Trends Worksheet Back to Worksheets Back to Electron Configurations for Ions Study Guide Back to Atomic and Ionic Radii INFORMATION ON THE PERIODIC TABLE 4. These worksheets are designed to provide practice and reinforcement for students studying chemistry and are often used in schools and homeschooling environments. 7 kJ/mol, respectively. Periodic <strong>Trends</strong>The table that accompanies this worksheet contains a variety of information about elements in the main part of theperiodic table. KEY ANSWER PERIODIC TRENDS WORKSHEETS ATOMIC RADIUS 1. ) Why does fluorine have a higher ionization energy than iodine? 3. Explore periodic trends with this chemistry worksheet. Based on this grach what is the general and down a column on the periodic table? The Periodic Trends Part II Worksheet consists of four pages:Page 1: - FOUR (4) Practice Problems in which students rank elements in order from largest to smallest Atomic Radius. atomic number for Group 2A and for Period 3 of the periodic table. Jun 10, 2025 · By engaging with these worksheets, students can solidify their understanding of the Periodic Table and trends, making it easier for them to apply this knowledge in real-world scenarios. This module gives an overview of the trends we see in atomic radius and first ionization energy within each period and within each group of the periodic table. Part II Explaining Periodic Trends 1. What is a group (also called a family)? How many are there in the periodic table? Purpose: This is a worksheet that introduces the relationship between an element's position on the periodic table and its atomic structure. As you will learn in class, this leads to smoothly varying trends in properties such as ionization energy and atomic radius as one moves both down the periodic table within a specific group or as one moves horizontally along a given row in the periodic table 2 Week Lab worth 2 Credits In this exercise, you will be using Reference Table S to discover the trends that occur in the Periodic Table by constructing three graphs. What is the periodic law? 4. P. You will compare data on such properties as the ionization energy and the atomic radius of some of the elements with their atomic numbers. ) Which is the largest atom in Group 14?. Jul 13, 2012 · E) decreases, increases, decreases Ionization Energy 30) The first ionization energies of the elements __________ as you go from left to right across a period of the periodic table, and __________ as you go from the bottom to the top of a group in the table. pdf), Text File (. Easy way to provide enrichment, easy sub plans or a unique way to assess students understanding. ) What is the difference between electronegativity and ionization energy? Answer – ionization energy is the energy required to remove an electron whereas electronegativity is the affinity of an atom to a neighbouring atoms electrons. Which element has the highest atomic radius? 2. 5. Materials: Worksheet Graph Paper Procedure: 1. By what property did Mendeleev arrange the elements? 2. Grade Level High school Objectives By the end of this lesson, students should be able to Understand trends of the periodic table such as ionization energy, atomic radius, group number, and valence electrons. Part B - Purpose: To determine the trends if they exist, for atomic size and ionization energy in the Periodic Table. The electron affinities of the elements from aluminum to chlorine are -44, -120, -74, -200. Especially the relationships or trends of electronegativity, ionization energy, atomic radius. “PERIODIC LAW”) -regular variations (or patterns) of properties with increasing atomic weight; both chemical and physical properties vary in a “periodic” way (repeating pattern). Here are answers to the exercises above. Use the information in that table to create graphs to discover the trends that exist in the periodic table. S has the highest I. Periodic Trends Can the properties of an element be predicted using a periodic table? why? The periodic table is often considered to be the "best friend' of chemists and chemistry students alike. Recognizing these trends simplifies the 10. There are some exceptions to the rules of periodic trends. A. Students use periodic table patterns and trends to color a hidden picture. For example, aluminum has less activity than magnesium. For example, the Alkali Metals are in Group 1 (one valence electron), and the Halogens are in Group Trends on the Periodic Table Atomic Radius Click the card to flip 👆 the distance from the nucleus to the outermost electron Periodic trends (such as electronegativity, electron affinity, atomic and ionic radii, and ionization energy) can be understood in terms of Coulomb's law, which is Fₑ = (q₁q₂)/r². Worksheet: Periodic Trends ____1. These trends are primarily influenced by an element's atomic structure and include various characteristics such as atomic radius, electronegativity, ionization energy, and metallic character. Given the tabulated value of 0. Able to identify the positions of and explain why elements in the main groups of metals, non-metals, alkali metals, alkalinie earth metals, halogens and noble gases in the periodic table have similar properties. This results in a larger attraction for the electrons and a smaller radius. 00794. ” Honors Chemistry Name Chapter 5 Periodic Trends Worksheet Date // Period Part I Summary of Periodic Trends 1. We can determine the relative atomic radius of two elements by their position in the periodic table. The questions cover topics like Dec 8, 2021 · This is a Ready-To-Teach data activity that asks students to graph data directly from the periodic table to see trends. Na or Na+1 The periodic table is called such because many properties are periodic functions of their elements. Worksheet Part I: Periodic Trends Atomic Radius The graph below plots the atomic radius versus the atomic number for the first 18 elements of the periodic table. Label the peaks and troughs with the correct element. The same trend of atomic radius applies once you divide the table into metal and nonmetal sections. As we compare the elements down the group, the effective nuclear charge increases, but at the same time the outermost electrons are found in the shell that is farther away from the nucleus. What happens to the atomic numbers as you move from left to right on the periodic table? a. The construction of these graphs should support the idea that “the chemical properties of elements are periodic functions of their atomic number. There are many patterns or trends on the periodic table. 12. High School Chemistry coloring activities. Periodic Trends Practice Worksheet Answer Key (1) - Free download as PDF File (. What trend in atomic radius do you see as you go down a group/family on the periodic table? Atomic Radius increases as you go DOWN a groupfamily. A) increase, increase B) increase, decrease C) decrease, increase Jan 28, 2019 · Additionally, the Teacher Guide accompanying this activity supplies questions and dialogue intended to support those new to teaching periodic trends and/or new to using guided inquiry-based activities. Time This activity can be completed in 2–3 class periods of approximately 50 minutes. Ideal for high school chemistry. Which statement best describes Group 2 elements as they are considered in order from top to bottom of the Periodic Table? (A) The number of principal energy levels increases, and the number of valence electrons increases. There are 7 periods and 18 groups in the periodic table. Worksheet 5: Types of Elements and their properties Worksheet 6: Classifying the Elements Worksheet 7: Periodic Trends 11. Better understand how the periodic table is View Notes - trends worksheet. 4, and -384. What trend in atomic radius occurs across a period on the periodic table? What causes this trend? What are periodic trends observed among the elements in the periodic table. Based on this graph what is the To which family in the periodic table does the unknown element most likely belong? IE 1 837 kJ/mol IE 2 1691 kJ/mol IE 3 16227 kJ/mol IE 4 17948 kJ/mol 9. Look Look at at Directions: label a a periodic the trends periodic table. Trends on the Periodic Table Part 1: Identifying chemical properties/characteristics of the elements For each of the following elements, draw a caricature or cartoon above the description to show its “chemical personality” based on the description provided. Ideal for high school students. This is a good fit for chemistry or physical science students in grades 6-12. By using straws (or other objects) show how the various properties of elements are used to organized elements into elements shape it is. because it has the highest effective nuclear charge. A group is a vertical column of the periodic table. Discuss the importance of Mendeleev’s periodic law. a) fluorine b) germanium The size of an atom or ion and the attraction between the nucleus and the outermost electrons play important roles in determining the chemistry of an element. (B) The number of principal energy levels increases, and the number of valence electrons remains the same. (C These are homework exercises to accompany the Textmap created for &quot;Chemistry: The Central Science&quot; by Brown et al. 11. Sketch in whether the following increase or decrease going across a period, left to right or going up a group: electronegativity, atomic radius, electron affinity, ionization energy. Suitable for: Grade 8, Grade 9, Grade 10, Grade 11, Grade 12. k. Increase b. For each of the positive ions listed in column 1, use the periodic table to find in column 2 the total number of electrons that ion contains. Periodic Trends Worksheet #3 1) Rank the following elements by increasing atomic radius: calcium, iron, neon, nitrogen, silicon 2) Rank the following elements by increasing electronegativity: calcium, iron, neon, nitrogen, silicon 3) Why does iodine have a larger radius than fluorine? 4) Which two elements would behave the same? Why? Created Date11/3/2015 3:20:46 PM This document contains two worksheets on periodic trends. It includes information about atomic masses and element symbols, but it can also be used to make predic- tions about atomic size, electronegativity, ionization energies, bonding, solubility, and 1. In a trends in the periodic table worksheet, atomic radius is examined to show how this property The structure of the periodic table is such that elements with similar properties are aligned vertically in columns called “groups”. Learn the different trends from left to right in a period and top to bottom in a group. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game! Practice for periodic trends, including atomic radius, 1st ionization energy electronegativity, and valence electrons (connecting to HS PS1-1). This online quiz helps students practice determining periodic trends in the elements such as atomic radius and electron affinity. Atoms get smaller left to right due to increased nuclear charge pulling electrons closer, and larger down a group due to additional energy levels. Electronegativity to pull the bonded electrons to itself in a chemical compound. This document is an answer key for a periodic trends worksheet. Study with Quizlet and memorize flashcards containing terms like Which statement best describes group 2 elements as they are considered in order from top to bottom of the Periodic Table?, What is the total number of valence electrons in an atom of boron in the ground state?, What is the total number of valence electrons in an atom of xenon, Xe? and more. Locate the following metals on the periodic table: magnesium, potassium, and sodium. doc from BIOL 1308 at San Antonio College. It asks students to identify trends, compare properties of different elements, and complete charts about elemental properties. Why is the periodic table called the Study with Quizlet and memorize flashcards containing terms like Which statement best describes Group 2 elements as they are considered in order from top to bottom of the Periodic Table? (A) The number of principal energy levels increases, and the number of valence electrons increases. Rationalize the trend in these values. EST 4 Practice Name: Periodic Trends Worksheet Part A- Answer in the space provided. Experiments cover group properties, activity series, and density. Chemistry 403: Trends in the Periodic Table Instructions Before viewing an episode, download and print the note-taking guides, worksheets, and lab data sheets for that episode, keeping the printed sheets in order by page number. In this activity you will look at a few periodic trends that can help you make Worksheet 3-3 Name Periodic Trends Period 1. Atomic size increases down a group and decreases left to right in a period. Check your understanding of periodic trends in this set of free practice questions designed for AP Chemistry students. txt) or read online for free. Figure 1: Blank periodic table for students to use in the Introductory Investigation. This document contains a worksheet with questions about periodic trends, including trends in atomic radius and electronegativity across periods and down groups of the periodic table. atomic radius (excluding noble gases) first ionization energy electronegativity What trend in atomic radius occurs across the periodic table? What causes this trend? What trend in ionization energy occurs across a period on the periodic table? What causes this trend? Circle the atom in each pair that has the largest radius. In this section you will define each of the periodic properties and describe how the properties vary across a row and down a column of the periodic table. There are added electron/electron repulsions in the valence shell that expand the size of the electron cloud, which results in a larger radius for the anion. Even the items in a grocery store are grouped a certain way. What is a period? How many are there in the periodic table? 5. Atomic radius decreases down the group on the periodic table. It includes information about atomic masses and element symbols, but it can also be used to make predic- tions about atomic size, electronegativity, ionization energies, bonding, solubility, and Using the data below, make a bar graph of atomic radius vs. A video of the Periodic Activity of Metals activity, presented by Irene Cesa, is available in Periodic Trends and the Properties of the Elements, part of the Flinn Scientific—Teaching Chemistry eLearning Video Series. An awesome series of free worksheets that show students hot to use the periodic table of elements. Periodic Table Periodicity: (a. Group: Which elements on the periodic table have the highest and lowest ionization energy? Which element on the periodic table have the highest and lowest electronegativity? Compare the element Fe and Cu by answering the next three questions. Understanding the periodic trends allows us to make predictions about the properties of individual elements based on their position on the periodic table. - F Study with Quizlet and memorize flashcards containing terms like rank the following elements by increasing atomic radius: carbon, aluminum, oxygen, potassium, rank the following elements by increasing electronegativity: sulfur, oxygen, neon, aluminum, difference between electron affinity and ionization energy and more. Identify each element as a metal, metalloid, or nonmetal. 1. Key Questions Using only a periodic table, predict the order of increasing atomic radius for each of the following sets of elements: Ca, Mg, Be Be < Mg < Ca Ga, Br, Ge Br < Ge < Ga Al, Tl, Si Si < Al < Tl Zn, Cd, Fe Fe < Zn < Cd The experimentally determined Bi–Cl bond distance in bismuth trichloride is 2. Several properties like the atomic number, atomic mass, chemical symbol of the element, and oxidation state are listed in the periodic table. These worksheets are designed so that they test students’ knowledge of periodic table elements and their associated properties. Mg has the lowest I. What trend in atomic radius occurs across a period on the periodic table? What causes this trend? The table that accompanies this worksheet contains a variety of information about elements in the main part of the periodic table. Analyze atomic radius, electronegativity, and identify mystery elements. Let’s look and see what we can find. hermann 1. You should be familiar with periodic trends from your prior experience in chemistry. I originally wrote this activity over 20 years ago and I can assure you that your students will get a greater understanding of the periodic trends. These worksheets are meant to test your knowledge of the behavior of elements and the underlying periodic trends across periods and down groups. The worksheet summarises the trends in properties of elements in groups 1,. graphics represent the nuclei of atoms. Suitable […] The Periodic Periodic Table Elemental organization Create a 3-d way to visualize trends on the periodic table. Star the element with the highest electronegativity? Periodic Trends worksheets curated by Worksheetzone Gain instant access to Periodic Trends Worksheets, a trusted resource for educators and families alike. Students will place elements in increasing trend and also explain what causes this trend. Jun 11, 2025 · Teacher Background Information: The periodic table is arranged in order of increasing atomic number. Trends of the periodic table worksheet answers part 1 It's human nature to organize things. Periodic Trends Worksheet 1. Do you predict the atomic radius of Li to be larger or smaller than that of Na Explore periodic trends in metal reactivity with this lab worksheet. What is a Periodic Table Worksheet? These worksheets are an educational tool designed to help students understand and explore the elements of the periodic table. It provides the answers to questions about classifying elements as metals, nonmetals or metalloids. The key identifies trends such as Oct 22, 2024 · Learn about Group 1 reactivity and trends for IGCSE Chemistry. What causes this trend? Each period you go down increases the energy levels surrounding the atom (you can draw Bohr Models to show this is true). Use the periodic table and your knowledge of periodic trends to answer the following questions. As you will learn in class, this leads to smoothly varying trends in properties such as ionization energy and atomic radius, as one moves both down within a specific group or horizontally. By what property did Moseley suggest that the periodic table be arranged? 3. 9. ) Why does fluorine have a higher ionization energy than iodine? These worksheets are an integral part of chemistry as they offer hands-on practice and reinforcement of key concepts of the Periodic Table of Elements. Understand the reactions with water and oxygen and how properties change moving down the group. Which properties from the summary of Periodic Trends Table describe metallic character a. Label the peaks and troughs with the correctement which element has the highest store radius? 2. You will be graphing elements in the alkali metal, nitrogen, oxygen, halogen, noble gas families. Whether you're managing a full classroom or guiding at-home learning, these Periodic Trends Worksheets offer structured, easy-to-follow worksheets that promote clear skill progression. Nov 22, 2019 · ️Periodic Table Trends with Worksheet ️ November 22, 2019 Leave a Comment The particular or specific patterns which represent various specific things in a periodic table are known as periodic trends. Materials: Worksheet Graph Paper "M Procedure: 1. Knowing the trends in atomic and ionic … 1. Lab Activity: Periodic Trends a period and down a Atomic Radius: a measure of the size of one atom of an element Ionization Energy: the measure of the energy required to remove an electron from the outermost energy level of an atom Study with Quizlet and memorize flashcards containing terms like Rank the following elements by increasing atomic radius: Carbon, Aluminum, Oxygen, Potassium, Rank the following elements by increasing electronegativity: Sulfur, Oxygen, Neon, Aluminum, Why does fluorine have a higher ionization energy than iodine? and more. because it has the lowest effective nuclear charge. Covers atomic radius, ionization energy, electronegativity, and more. Ionization energy increases left to right and Worksheet – Periodic Trends Practice 1. Interactive periodic table with up-to-date element property data collected from authoritative sources. Periodic trends are properties that _______ or _____ going across a period or up or down a group. In general what happens to the metallic character that elements have as Part B - Purpose: To determine the trends if they exist, for atomic size and ionization energy in the Periodic Table. tomic radius w atomic number celerrents 1. The document is a worksheet about the periodic table that contains questions and answers about its organization and properties. Kids dump out their piggy banks and sort their riches into piles of pennies, nickels, dimes and quarters. It includes information about atomic masses and element symbols, but ic can also be used to make predic- tions about atomic sie, electronegativiry, ionization energies In this activity, you will study the relationship between the atomic numbers of the elements and some of their physical properties. It includes information about atomic masses and element symbols, but it can also be used to make predic-tions about atomic size, electronegativity, ionization energies, bonding, solubility, and reactivity. (Note: See the Neon example for ideas. ) What is the difference between electronegativity and ionization energy? 2. The puzzles reveal a mystery picture according to the number of valence electrons, periodic family names, period number / energy level, ionic charge, or polyatomic ions. How is each element represented on the periodic table? The periodic table is the focus of this segment. these questions. Sep 2, 2019 · You have just found the right place about Trends Of The Periodic Table Worksheet Part 1 Answer Key. Stay the same d. The modern periodic table is a listing of the elements in a grid or chart arrangement. Which atomic radius we use depends on the context. Contained in the following lesson plan bundle: Periodic Table and Periodic Trends Lesson Plan Bundle HS PS1-1 The periodic table consists of natural and artificial elements arranged in increasing atomic numbers. Atomic Radius Trends Atomic radius refers to the average distance from the nucleus of an atom to the outermost electron cloud. Draw the electronegativity trend on the periodic table below. Periodic Table of Elements Worksheets are educational resources that help students learn and understand the properties and characteristics of the elements found in the periodic table. Sep 24, 2024 · The worksheet includes detailed explanations, examples, and practice questions to reinforce understanding of the periodic table and its practical significance in chemistry and material science. Decrease c. 18) Rok Namber 1. (C) The number of principal An anion has a larger radius than the neutral atom because it gains valence electrons. The The atomic atomic mass mass of of hydrogen hydrogen is is 1. outline the trends of the periodic table for ionization energy, atomic radius, and electronegativity on View full document Get help with AP Chemistry concepts. arom radius vs atomie numer (elements 1. The purpose of this station is to reinforce students’ understanding of the organization and predictive power of the Periodic Table of the Elements and students’ ability to use it to explain the chemical properties of families of elements and periodic trends in element families and periods. Cooks painstakingly organize their spices into various groupings, whether alphabetically or according to how often they're used. The elements are placed in order of increasing atomic number (or number of protons) and they fall into specific positions that reveal many of their properties and their relationships to one another. 2. Al or B G. Worksheet Periodic Table Trends Atomic radius for each of the following sets of atoms, rank the atoms from smallest to largest atomic radius. Essential Concepts: Periodic table, protons, neutrons, electrons, atomic mass, atomic number. The group number gives the number of valence electrons in an element. 18 117 ALON 1. Below is a rough sketch of the Periodic Table. The periodic table is often considered to be the “best friend” of chemists and chemistry students alike. Trends of the periodic table worksheet Name:_______________ Period: PART I: Explain each of the following characteristics of the periodic table Why are the trends for electronegativity and ionization energy similar? (use the defintions to help you) Explain why atomic radius decreases as you move from left to right across a period. Students The elements that lay on the right side of the periodic table have more protons though. The same answer may be used more than once. The students explore periodic trends as well as atomic number and average atomic mass. Getting to Know Subatomic Particles: Use your periodic table to complete the table below: The Periodic TableOF ELEMENTS! 1. mbt lgbcz bfikra tyog btikap bhew qriutd asswp ytfhk vgyafg