The effective nuclear charge across the period (from left to right)

Increases

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Decreases

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First increases and then decreases

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First decreases and then increases

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Solution

The correct option is A Increases
As $Z_{e f f} = Z_{0} - Shielding Constant$

The periodic table tendency for effective nuclear charge:
Increase across a period (due to increasing nuclear charge with no significant increase in shielding effect). This is because electrons are added to the same shell.

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Similar questions

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

Q. effective nuclear charge and nuclear charge have different meanings?

Ionic radii vary in
(a) inverse proportion to the effective nuclear charge
(b) Inverse proportion to the square of effective nuclear charge
(c) direct proportion to the screening effect
(d) direct proportion to the square of screening effect

Q. 25. How to calculate effective nuclear charge (Z effective) of N+ ?

Q. The effective nuclear charge across the period (from left to right)

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The effective nuclear charge across the period (from left to right)

The correct option is A IncreasesAs Zeff=Z0−Shielding Constant The periodic table tendency for effective nuclear charge: Increase across a period (due to increasing nuclear charge with no significant increase in shielding effect). This is because electrons are added to the same shell.