Give the number of protons (p), electrons (e), and neutrons (n) in one atom of chlorine-37.
- 17 p. 37 e, 17 n
- 37 p. 17 e, 20 n
- 17 p. 17 e, 37 n
- 17 p. 17 e, 20 n
- 37 p. 37 e, 17 n