Science, asked by nonstpdhamaka1363, 1 year ago

Why atomic no. 15 have valency 3 , 5

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Answered by AbhiShEkVR47

An atom has to gain, lose or share a particular number of electrons from its ... The electronic configuration is 2, 5. .... Therefore, Valency= 8 -5=3; Atomic Number of Sulphur =16

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