The Subatomic Particle That Determines How an Atom Unites with Other

Question

The subatomic particle that determines how an atom unites with other atoms is the
A) proton
B) neutron
C) electron
D) both A and B

Accepted Answer

Electrons determine how atoms unite with other atoms through chemical bonding. Protons and neutrons contribute to the atom's mass and stability, but not necessarily its chemical behavior.