Given the atomic notation of 64/30Zn, indicate the number of protons, neutrons and electrons respectively, in an atom of
zinc.

14,16 18 reacts with group

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8