This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...

Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...

Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...

Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...

The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...

In this National Chemistry Olympiad test, junior chemists answer eight problem solving questions on a variety of topics. These include calculating molarity of solutions, determining rates of reactions, calculating decay and discussing...

This is 21-question multiple choice quiz over chemical bonds was written for a 7th-grade science class.

Discussion of ionic compounds includes monatomic and polyatomic ions, lattice energy calculations, and practice questions.

Interactive practice exercises in the use of the Born-Haber cycle to determine lattice energies of ionic compounds.

A short quiz over the general topics of atomic structure of different substances and bonding properties. The quiz gives immediate feedback over with explanation for the correct answer choice.

A short 6-question online quiz to test your knowledge of compounds. Explains the correct answers after the students answers have been submitted.