Curated OER
The Periodic Table
Compliment your lesson with this periodic table presentation. The slides are clear summarizing the origins and main details of the periodic table very nicely. The overall appearance, images, and bullet points are logical and some nice...
Curated OER
Periodic Table
Explanations of shell structure in an atom and the decisions that affect periodic table organization are discussed here. Students view well organized charts to list and compare elements that are placed in different sections of the...
Curated OER
Electron Arrangement Worksheet
In this electron worksheet students complete an orbital diagram and electron configuration using a set of chemicals on the periodic table.
Curated OER
Periodically Puzzling
In this periodic table worksheet, students use the list of coded letters and clues that correspond to the represented elements in the first four periods of the periodic table to complete the chart at the bottom of the sheet. They...
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.
Chem4kids
Chem4 Kids: Ions
Here at Chem4Kids you can learn all about ions. Content explores what an ion is, its various characteristics, electrovalence, and more.
Chem4kids
Chem4 Kids: Atoms
This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.
Oklahoma State University
Osu: Chemical Bonding Content in a Nutshell
An overview of chemical bonding and how valence electrons play a major role in these processes.
Crescent Public Schools
The Internet Science Room: Chemical Families
Students can use this chemistry tutorial to further their understanding of the families of elements on the Periodic Table of Elements.
Michael Blaber, PhD
Fsu: Basic Concepts of Chemical Bonding: Exceptions to the Octet Rule
Lists the exceptions to the octet rule and provides a discussion and diagrams explaining each one. Includes clear diagrams illustrating this concept.
University of St. Andrews (UK)
University of St. Andrews: Insulators
The nature of insulators is described at the atomic level. Band gap theory is used to explain what distinguishes insulators from conductors.
Other
Us: Valence Shell Electron Pair Repulsion (Vsepr)
An excellent tutorial that examines VSEPR and pairs of valence electrons. The valence shell electron pair repulsion concept is explored using animated models. Includes a VSEPR calculator. Use the toolbar on the left to navigate through...
Concord Consortium
Concord Consortium: Molecular Workbench: Atomic Orbitals
View the approximate locations of electrons in valence shells 1s through 4f.
Clackamas Community College
Clackamas Community College:valence Electrons
Introduction to the concept of valence electrons that relates the idea to periodic properties and electron configurations.
American Chemical Society
Middle School Chemistry: The Periodic Table & Energy Level Models
Find out how energy level models are represented on the Periodic Table of Elements.
CK-12 Foundation
Ck 12: Physical Science: Synthesis Reactions
[Free Registration/Login may be required to access all resource tools.] Definition and example of a synthesis reaction.
Chem Tutor
Chem Tutor: Bonds in General
A summary of bonding terms and the importance of electrons in bonding.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Abbreviated Electron Configurations
Test your electron-configuration skills in this animated exercise. Practice writing the abbreviated configurations for some of the common elements on the periodic table.
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.
Oklahoma State University
Oklahoma State University: Key Questions
A quiz on chemical bonding and valence electrons.
University of Colorado
University of Colorado: Physics 2000: Periodic Table: Valences and the Periodic Table
The periodic table was laid out using valences or the electrons in the outermost shell.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Radon
Nice concise chemical fact sheet with all the basics on radon. Very thorough.
University of Colorado
University of Colorado: Physics 2000: Origin of the Periodic Table: Valence Electrons
Valence electrons are defined in terms of electron configuration.
Frostburg State University
General Chemistry Online: What Is a Valence Bond?
Brief explanation from Frostburg State University of valence bond theory and an explanation of what chemical situation creates a valence bond between two atoms.