Question

what is tetravalency or mono- velency​

Answer 1

Valence electrons (or the electrons in the outermost shell which is ready to lose or shared by that particular atom ) determine the so called valency of an element. The element which shares: One electron -mono valent . In the same way the element which has 4 valence electrons are called tetravalent .

Answer 2

Hii

__________

Tetravalency means the valency is three

may be the outermost shell contain 3 or 5 electron

Monovalency means an atom has valency 1

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