Science, asked by kalyani12345678, 2 months ago

explain the trend observed in valency along group as well as a long period​

Answers

Answered by ishika9054
0

Explanation:

In a period, the number of valence electrons increases (mostly for light metal/elements) as we move from left to right side. However, in a group this periodic trend is constant, that is the number of valence electrons remains the same

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