Choose the word that best completes the sentence. Column A

1.

The positive subatomic particle is called the:

The positive subatomic particle is called the

2.

The negative subatomic particle is called the:

The negative subatomic particle is called the

3.

The neutral subatomic particle is called the:

The neutral subatomic particle is called the

Column B

a. neutron

b. electron

c. protist

d. proton

e. eukaryote