Question

Select the correct answer from each drop-down menu.

The subatomic particles called___1___are found in the nucleus of an atom, and____2____travel around them.

Blank 1:
Neutrons and electrons
Protons and electrons
Protons and neutrons

Blank 2:
Electrons
Neutrons
Protons

Answer 1

1. protons and neutrons

2. electrons

Answer 2

Protons and neutrons, Electrons

Step-by-step explanation:

Protons and electrons are found in the center of the nucleus. The atomic mass is the summation of the number of neutrons and protons. Electrons orbit around the nucleus in an atom. The atomic number is equal to the number of electrons which is also equal to the number of protons.