Question

Which particles make up the nucleus of an atom?

A.
protons and electrons
B.
neutrons and electrons
protons only
protons and neutrons
E. neutrons only

Answer 1

Answer: A protons and electrons

Answer 2

Protons and neutrons

Explanation:

combined will make a nucleus, so they're called nucleons, in which proton consist of positively charged particle while neutron consist of neutral particle.