Question

give the electronic configuration of phosphorus comment on its valency​

Answer 1

Answer:

[Ne] 3s² 3p³ is the electronic configuration of phosphorus Valency = Electron filling always starts with 1s, the subshell closest to the nucleus. Next is 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, etc., shown in the electron shell filling order