Curated OER
Organic Molecules Quiz
In this organic molecules worksheet, students solve four problems. They draw Lewis structures, they identify functional groups in a molecule, they draw resonance structures and they provide details of bonding within a molecule.
Curated OER
Periodic Table Basics
In this periodic table worksheet, students answers 10 fill in the blank questions by reading information form a periodic table. Then also complete Bohr Models of the atoms of 12 different elements.
Curated OER
It's the Law: Periodically
Ninth graders examine the Periodic Table. In this element lesson, 9th graders observe the chemical reactivity of elements. They graph the properties and discuss the trend in the group and period of elements. The students use math to...
Curated OER
More Chemical Bonding
In this chemical bonding instructional activity, students review the three types of compounds: ionic, covalent, and polyatomic. Students practice drawing the covalent bonds of given compounds. This instructional activity has 5 drawings...
Curated OER
More Chemical Bonding
In this chemical bonding worksheet, students review the three types of bonds including ionic, covalent and polyatomic compounds. They identify 8 compounds as ionic, covalent or polyatomic and they make 4 ionic compounds and they draw 5...
Curated OER
Solar Cells
Students are able to answer basic questions about the process of turning light energy into electrical energy. They are introduced to the basic physics and chemistry behind the operation of a solar cell. Students explore how a single...
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
Elements of Chemistry: The Periodic Table
Learners examine the atomic structure of elements. In this chemistry lesson students organize elements of the periodic table according to their atomic mass, and compare their order within the periodic table.
Curated OER
The Periodic Table
Students examine the periodic table and how it was developed. In this chemistry lesson students identify common properties and uses of elements within a family.
Curated OER
Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
Curated OER
Grade 9 Science Review
For this 9th grade science review worksheet, students complete 63 true or false questions on topics such as atomic notation, isotopes, covalent bonds, Ohm's law, and electric circuits.
Curated OER
Periodic Table Basics 2
For this periodic table worksheet, students create cards for a annotated periodic table then use it to answer 16 short answer and fill in the blank questions.
Curated OER
Molecular Architecture
Students cuminate their study of molecular structure and bonding with this activity.
Curated OER
Finding Oxidation States
In this chemistry worksheet, students examine the oxidation state in order to apply it in the laboratory setting. The sheet includes in depth background information.
CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...
CK-12 Foundation
Ck 12: Physical Science: Valence Electrons
[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.
Sophia Learning
Sophia: Valence Electrons and Core Electrons
Through a series of slide show presentations and a video lesson, strengthen your understanding of valence electrons. [2:46]
CK-12 Foundation
Ck 12: Electron Configuration and the Periodic Table
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will sse the Periodic Table to identify and explain the properties of chemical families, including alkali metals, alkaline...
Sophia Learning
Sophia: Paired and Unpaired Electrons: Lesson 2
This lesson will point out the difference between electron pairs and unpaired electrons in an atom using orbital diagrams. It is 2 of 3 in the series titled "Paired and Unpaired Electrons."
Michael Blaber, PhD
Florida State University: Electronic Structure of Atoms: Electron Configurations
Florida State University provides this article on electronic configurations of atoms and Hund's rule.
American Chemical Society
Middle School Chemistry: Periodic Table and Energy Level Models
Students interpret the information given in the periodic table to describe the arrangement of electrons on the energy levels around an atom.
Vision Learning
Visionlearning: Reactions and Changes: Chemical Reactions
Explanation of Noble gases and of how atoms attempt to fill their outermost valence shells for stability.
CK-12 Foundation
Ck 12: The Quantum Mechanical Model
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will calculate the wavelength, frequency, and energy of light using Planck's constant and the speed of light. They will...
Simon Fraser University
Chem1 Virtual Textbook: Electron Electron Repulsion
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses repulsion of electron pairs. Diagrams and charts of the repulsion are also provided.