Psychology, asked by Afrozeshaikh, 4 months ago

what is oral learning- simple past life methods and gradual learning​

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Answered by celljovi007
1

Answer:

Valency: Valency of an element is determined by the number of valence electrons present in the outermost shell of its atom.

Valency of elements in a particular group is same.

Valency of elements in a period first increases from one to four and then decreases to zero.

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