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Explain giving justification the trends in the following properties of elements, on
moving from left to right in a period, in the Modern Periodic Table.
    (a)     Variation of valency.
    (b) Change of atomic radius.
    (c) Metallic to non-metallic character.
    (d) Electronegative character.
    (e)     Nature of oxides.

Answers (1)

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(a) Valency first increases then decreases

(b) Decreases

(c) Increases

(d) Increases

(e) Change from basic to acidic.

Posted by

Sumit Saini

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