Question

Describe the roles of subatomic particles within an atom. Choose the option with all the missing parts in the correct order. The ____________ determines the identity of an atom and is equal to the _______________. The chemical reactivity of an atom is determined by the ________________.

Answer 1

The proton determines the identity of an atom, whereas the electron determines its chemical reactivity.

Step-by-step explanation:

The proton determines the identity of an atom and is equal to the atomic number. The chemical reactivity of an atom is determined by the electron.