1.

P^(3-) ion has the valence shell electronic configuration

Answer»

`3s^(2)3p^(3)`
`3s^(2)3p^(6)`
`2S^(2)2P^(3)`
`4s^(2)4p^(3)`

Solution :`P^(3-)(Z=15)`and total electrons =18 `1s^(2)2s^(2)3s^(2)3p^(6)`


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