Question

Sodium and oxygen are both elements. In what ways are sodium atoms different from oxygen atoms?
(1) They have different numbers of electrons.
(2) They have different numbers of neutrons.
(3) They have different numbers of protons.
(4) They have different types of protons.
choose only 2 of them ​

Answer 1

Answer:

(1) They have different numbers of electrons. (2) They have different numbers of neutrons. (3) They have different numbers of proton