Question

what do u understand by term periodicity?Does the periodicity in properties is function of valence electrons?Illustrate​

Answer 1

Explanation:

Yes, this periodicity is due to the periodicity in the number of electrons in the outermost shell of the atoms of the elements.

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Answer 2

Answer:

This is known as periodicity. Yes, this periodicity is due to the periodicity in the number of electrons in the outermost shell of the atoms of the elements. If elements having the same number of valence electrons are grouped together, the elements falling within each group are similar in chemical properties.