PART 1. From the lessons presented, complete the following statements.

1. An atom is made of a ________________, an _______________, and a _________________.

2. A molecule is a combination of two or more __________________ that are chemically

combined.

3. The term atom came from the Greek word ___________________ meaning indivisible.

4. The ____________________________ is the same as the number of electrons and the

number of protons in a neutral atom.

5. To get the number of neutrons, the atomic number is subtracted from the

____________________________.​