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Why Phosphorus has two valency-3,5?

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Why Phosphorus has two valency-3,5?

Posted by Shruti Rana 6 years, 7 months ago

CBSE > Class 09 > Science

2 answers

Nupur Goswami 6 years, 7 months ago

Because it is that atom among the others similar to it which has the capacity of lsing and gaining electrons both.that is why.

Yogita Ingle 6 years, 7 months ago

The number of electrons gained, lost, or shared by an atom to complete its octet is called the combining capacity or valency of that atom Phosphorous on using its 3 electrons can form PCl₃ . If it will use its 5 electrons then it can form PCl₅. Hence it can show both 3,and 5 valency.

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