What determines the chemical properties of an element?

The chemical properties of an element are determined by the configuration of its electrons in orbit around its nucleus. The number of electrons in orbit is equal to the number of protons in the nucleus (each proton has an an electrical charge of plus one, while each electron has the same charge only negative one).

Explanation:

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.