of protons + neutrons Atomic no. = no.of protons/electrons. Thus no. of protons = electrons = 7 No. of neutrons = 14 -7 = 7 Valency = 3 electronic config = 2,5 Suggest Corrections 0 Similar questions Q. If bromine atom is available in the form of say, two isotopes 7935Br(49.7%...