Most chemical reactions are reversible in nature.

The presence of electrolytes in the body is more important than their relative amounts.

Which inorganic ion is required for ATP and nucleic acid synthesis and is part of their structures?

Lipids include the following except which one?

Decomposition is the opposite of a _____ reaction.

Buildings that contain radon in their structures can cause illness because radon will _____.

An electrically charged small negative particle which encircles a nucleus is the _____.

What is the term for a substance that can increase the rate of a reaction without becoming changed?

What does a radioactive element do?

When atoms of different elements combine they form _____.