Which feature defines a neutral atom?

Question

the ability to change to another substance during a chemical reaction the number of electrons equal to the number of protons the number of electrons equal to the number of protons a low level of reactivity a low level of reactivity a full outer electron shell

Answer 1

The feature that defines a neutral atom is having the number of electrons equal to the number of protons. This results in the overall charge of the atom being neutral. A neutral atom has no net charge.