Chymist
Testing the Waters
Should you trust the water you drink every day? The hands-on activity has scholars test water from different sources for contaminants. Pupils perform chemical testing and make conclusions about pH, hardness, iron, chlorine, lead,...
CK-12 Foundation
Ck 12: Life Science: Organic Compounds
[Free Registration/Login may be required to access all resource tools.] The main chemical components of living organisms are known as organic compounds and are built around the element carbon. Living things are made up of very large...
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...
Wyzant
Wyzant: Chemistry: Terms
This lesson provides a list of chemical terms, defines them, and uses examples to describe and explain each. These include allotropes, ionic compounds, methane, carbon dioxide, alkali flats, blue vitriol, and others.
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: Acids and Bases
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will define acids and bases in terms of the ions that are produced when each type of compound is dissolved in water. They...