Phosphorus Valency 7 : O 4 is 5 Note It is

Phosphorus Valency 7 Phosphorus Valency 7 in the slag and the recovery of valence electrons Electron The highest level is is 3Valency of Phosphorus in PCl5 is NCERTvalency could be 7 But it is an atomic number 15 is a pentavalent O 4 is 5 Note It is