Chemistry, asked by princegaate8106, 1 year ago

(a) What is the number of valence electrons in the atoms of first elements in a period?
(b) What is the usual number of valence electrons in the atoms of the last element in a period?

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Answered by tanishkkumar79

1

Answer:

1 is the number of valence electron in the atom of first elements in a period

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