Question

why phosphorous has 5 electron in its valence shell​

Answer 1

Answer:

It should be 3 because phosphorus has 5 electrons in its valence shell. ... Therefore it accepts 3 electrons and completes its octet because accepting 3 electrons would be much easier than to donate 5 electrons. Since the valency of phosphorus is 3 but they can expand their valency ,because of the vacent d orbital

Answer 2

Answer:

It should be 3 because phosphorus has 5 electrons in its valence shell. ... Therefore it accepts 3 electrons and completes its octet because accepting 3 electrons would be much easier than to donate 5 electrons. Since the valency of phosphorus is 3 but they can expand their valency ,because of the vacent d orbital.