Chemistry Definitions

1. Periodic table:
a. Table that shows all the elements, and many of their properties.
b. Table that shows all the elements, and many of their properties.
c.

2. Elements:
a. basic unit of matter: any substance that cannot be broken down into a simpler one by a chemical reaction. Elements consist of atoms with the same number of protons in their nuclei, and 92 occur naturally on Earth.
b. One of 92 natural substances that cannot be broken down any simpler.
c.

3. Molicules:
a. the smallest physical unit of a substance that can exist independently, consisting of one or more ato...