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Atomic Radius

35.Why effect...

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35.Why effective nuclear charge increase across the period and decrease down the group.

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Does effective nuclear charge increase across and down the group?

No....... Is it correct?

Q. Nuclear charge increases both in a period and group. But, effective nuclear charge increases in a period and decreases in a group. Identify the correct reverse trend.

Q. The amount of energy released when an atom in the gaseous state accepts an electron to form an anion. factor which affect electron affinity are: atomic size and Nuclear charge. As atomic radii increases, electron affinity increase. As nuclear charge increase, electron affinity increase. it decrease down a group and increases across a period. Explain.

Why metallic character decreases across a period and increases down a group?

Assertion: The atomic radius decreases as we move from left to right in a period.

Reason: Effective nuclear charge increases across the period from left to right.

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