An element P belong to group 2 and Q belong to group 17 of long form of periodic table. a) what is the valency of P b) how many valence electrons are there in Q c) what is the valency of Q d) write the chemical formula of the compound formed when P combines with Q
Dear Student,
a) Valency of P is +2
b) Valence electron in Q is 7
c) Valency of Q is -1
d) Formula of the compound formed by the P and Q is PQ2
Regards
a) Valency of P is +2
b) Valence electron in Q is 7
c) Valency of Q is -1
d) Formula of the compound formed by the P and Q is PQ2
Regards