Which feature defines a neutral atom?(1 point)

Question

a full outer electron shell
a full outer electron shell

the number of electrons equal to the number of protons
the number of electrons equal to the number of protons

the ability to change to another substance during a chemical reaction
the ability to change to another substance during a chemical reaction

a low level of reactivity

Answer 1

The charge on the electron is equal in magnitude and opposite in sign to the proton charge. Therefore if you have the same number of each the net charge is zero and you have a neutral atom.