CBSE BOARD X, asked by faizanbhat28031, 10 months ago

How does valencyof an element vary across a ppreriod

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Answered by bainsjashan
1

Answer:

Answer : The valency of an element depends the availability of an electrons (or electrons) in its valence shell i.e on its valence electrons. Across the period, first it increases from 0 to 4 and then starts decreasing from 4 to 1.

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