What is the primary role of neutrons in an atom?

a) Determine chemical properties
b) Provide electrical charge
c) Add mass and stabilize the nucleus
d) Form chemical bonds

1 answer

The primary role of neutrons in an atom is:
c) Add mass and stabilize the nucleus.

Neutrons contribute to the mass of the atom and help stabilize the nucleus by reducing the repulsive forces between positively charged protons.