Question

please answer my question

Answer 1

The valency increases while going from left to right. In period 2 valency is 2 and in period 3 valency is 3.

Answer 2

while going left to right in a period...

decreasing atomic radius.

increasing electronegetivity and non metallic character.

decreasing electropositivity and metallic character.


when the properties of elements in a period or a group of the modern periodic table are compared, certain regularity is observed in their variations. It is called the periodic trends in the modern periodic tablr.

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