Michael Blaber, PhD
Fsu: Basic Concepts of Chemical Bonding: Polarity and Electronegativity
Florida State University provides an explanation of electronegativity of elements and its affect on bond type.
Quia
Quia: Reading Detective: Main Idea
A 20 question quiz testing knowledge of ionic and covalent bonding.
Quia
Quia: Chemical Bonds (Ionic and Covalent) Quiz
This is 21-question multiple choice quiz over chemical bonds was written for a 7th-grade science class.
BBC
Bbc: Gcse Bitesize: Covalent Bonds
A covalent bond is formed between non metal atoms, which combine together by sharing electrons. Covalent compounds have no free electrons and no ions so they don't conduct electricity.
American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Discover how covalent molecular bonding affects the energy levels of electrons.
CK-12 Foundation
Ck 12: Physical Science: Molecular Compounds
[Free Registration/Login may be required to access all resource tools.] Definition of covalent compound, how they are named and how they differ from ionic compounds.
CK-12 Foundation
Ck 12: Physical Science: Carbon Bonding
[Free Registration/Login may be required to access all resource tools.] The abundance of carbon and how it forms bonds.
University of Florida
University of Florida: General Chemistry I: Chemical Bonding
Notes on covalent bonding, bond length, bond energies, Lewis dot structures, and percent ionic character. Colorful graphics.
Museum of Science
The Atom's Family: Mighty Molecules
In this activity, students construct models of molecules using marshmallows and gum drops.
Chem Tutor
Chem Tutor: Bonds in General
A summary of bonding terms and the importance of electrons in bonding.
Chem Tutor
Chem Tutor: Radicals or Polyatomic Ions
This site includes a list of the names, formulas, and charges of some common polyatomic ions.
Other
University of Texas at Dallas: Attractions in Compounds
Explanation of attractive forces and energy changes involved in bonding.
BBC
Bbc: Gcse Bitesize: Bonding: Covalent Bonds
This section of the lesson module focuses on covalent bonds, which are formed between non-metal atoms that share a pair of electrons. It includes links to a video and a test. Other types of chemical bonds are covered elsewhere in the...
Frostburg State University
General Chemistry Online: Ionic and Molecular Compounds
Provides a good outline of the concepts involved in ionic and covalent bonding, with links to definition of terms. Features a list of common molecular compounds and a chart that compares ionic and molecular compounds.
Michael Blaber, PhD
Florida State University: Basic Concepts of Covalent Bonding: Covalent Bonding
Good introduction and graphics make this a solid page for understanding the orbital role in bonding and molecular geometry. The author is a professor at Florida State University.
CK-12 Foundation
Ck 12: Physical Science: Bond Polarity
[Free Registration/Login may be required to access all resource tools.] Polarity and covalent bonds.
CK-12 Foundation
Ck 12: Chemistry: Covalent Bonding
A learning module giving the definition of a covalent bond, the compounds and elements they make up and why they form. Module includes reading and review questions.
Chem Tutor
Chem Tutor: Binary Covalent Compounds
An explanation of bonding in binary covalent compounds. Rules for naming binary covalent compounds using common names and system names are also provided.
CK-12 Foundation
Ck 12: Physical Science: Covalent Bonding
[Free Registration/Login may be required to access all resource tools.] Definition of covalent bond, the compounds and elements they make up, and why they form.
Khan Academy
Khan Academy: Covalent Bonds Questions
Practice for the MCAT with these questions on covalent bonds.
McMaster University
Mc Master University: Molecular Structure
This PowerPoint presentation features 33 slides that explain chemical bonding and molecular shape.
Other
Personal Site: Covalent Bonding Single Bonds
This site is a personal site that gives "a simple view of covalent bonding" including explanations, diagrams, and examples.
Concord Consortium
Concord Consortium: Molecular Workbench: Self Assembling Lattice Structure
View this simulation to see how lattice structures are formed when particles of different shapes and charges form bonds.
Concord Consortium
Concord Consortium: Molecular Workbench: Strength of Intermetallic Bonds
View two different substances made from the same two elements. Observe the different strengths of bonds between the two different substances.