(a) 2, 8, 8, 2
(b) 2, 8, 8
(c) 2, 8, 8, 4
(d) 2, 8, 8, 6

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.