Curated OER
Atomic Trend Practice
In this atomic trend worksheet, students answer questions about trends in the periodic table such as ionization energy, atomic radii and electronegativity. They are given tables of elements and ions and they must identify which ones have...
Curated OER
Periodic Table Trends
In this periodic trends worksheet, students solve ten problems related to elements in the periodic table. Students write electron configurations for atoms and they compare elements and their periodic trends.
Curated OER
Unit 4 - Periodic Table
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
Curated OER
Covalent Bonds
After a short introduction, chemistry aces get right into drawing electron dot diagrams for covalent bonds. There are only three questions to answer, so this is not a comprehensive instructional activity. It can be used when introducing...
Curated OER
Periodic Trends
In this periodic trends worksheet, students determine the trends of electronegativity in the periodic table. Students compare electronegativity and ionization energy. This worksheet has 6 problems to solve.
Curated OER
Recognizing Polar Molecules
For this polar molecules worksheet, students complete a graphic organizer by writing in the bond type, electron dot diagram, and the type of compound for the chemical compounds given.
Curated OER
Trends in Physical Properties of Group 2 Elements
In this elements learning exercise, students complete 2 graphic organizers by comparing the element symbol and melting point for given elements. Then students plot a graph of their atomic radius against proton number.
Curated OER
Chemical Bonding
In this chemical compounds worksheet, high schoolers review the different types of bonding, define the octet rule, and draw Lewis structures (electron-dot diagrams) for given compounds. This worksheet has 7 fill in the blank, 5 short...
Curated OER
Electronegativity
Young scholars identify the type of bonding between two atoms of elements given their electronegativity values. They study the trend of electronegativity across the periodic table in small groups.
University of Arizona
University of Arizona: Biochemistry
Problem sets, tutorials, and activities related to biochemistry.
Simon Fraser University
Chem1 Virtual Textbook: Polar and Nonpolar Bonds
The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with chemical bonding and specifically the study of both polar and nonpolar...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecule Polarity
An interactive simulation that teaches about polarity, electronegativity, and bonds by changing the electronegativity of atoms and bond angles in a molecule to see how it affects polarity. This simulation can either be downloaded or...
CK-12 Foundation
Ck 12: Periodic Trends
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will use the Periodic Table to identify and explain periodic trends, including atomic and ionic radii, electronegativity,...
CK-12 Foundation
Ck 12: Polarity and Intermolecular Forces
[Free Registration/Login may be required to access all resource tools.] The following online tutorial describes how the electronegativity difference between two atoms in a covalent bond results in the formation of a nonpolar covalent,...
CK-12 Foundation
Ck 12: Trends in the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...
CK-12 Foundation
Ck 12: Polarity in Chemical Bonds
[Free Registration/Login may be required to access all resource tools.] Students will determine the polarity of a chemical bond using the electronegativity chart, and then distinguish between nonpolar covalent, polar covalent, and ionic...
Concord Consortium
Concord Consortium: Stem Resources: Chemical Bonds
By working through this web-based activity, students differentiate between ionic, non-polar covalent, and polar covalent bonds. Specifically, distinctions are made between bonding types based on orbital shapes and electronegativity...
Davidson College
Electronegativity Tables
Collection of tables comparing the work of Pauling, Allred-Rochow, and Mulliken-Jaffe Scales. Taken from "Inorganic Chemistry" by Huheey, J.E.; Harper & Row: New York, 1983.
University of Southern California
Atomic Bonds
This slide show on atomic bonds contains several slides on electron affinity. Other topics include covalent, Sigma and Pi bonds, and atomic bonding in solids.
Texas Instruments
Texas Instruments: Setting the Trend
In this activity you will - Determine the trend in atomic radius for the periodic table. Determine the trend in first ionization energy for the periodic table. Determine the trend in electronegativity for the periodic table.
Ohio State University
Ohio State University: Electronegativity & Bond Polarity
Excellent graphics help this page explain the relationship between electronegativity and bond polarity.
Environmental Chemistry
Periodic Table of Elements: Gallium
A very detailed look at the element Gallium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Indium
A very detailed look at the element Indium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Thallium
A very detailed look at the element Thallium, a member of the Boron Group.