(D) The electronic configuration of $Na$ $(Z=11)$ is $1s^2 2s^2 2p^6 3s^1$. In this atom,the valence shell is the $n=3$ shell. The screening effect (o

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(D) The electronic configuration of $Na$ $(Z=11)$ is $1s^2 2s^2 2p^6 3s^1$. In this atom,the valence shell is the $n=3$ shell. The screening effect (or shielding effect) is caused by all the inner electrons present in the shells $n=1$ and $n=2$. Therefore,the electrons in the $1s$,$2s$,and $2p$ orbitals all contribute to the screening of the valence electron.

Class 11 Chemistry Classification of Elements and Periodicity in Properties Screening effect and effective nuclear charge

Medium

For the valence shell of $Na$,screening is provided by:

A
$1s$ orbital
B
$2s$ orbital
C
$2p$ orbital
D
All of the above

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

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Screening effect and effective nuclear charge

In which pair does the first element have a higher $Z_{eff}$ than the second atom?

Medium

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In $Lithium$,the $2s$ electron experiences a force of attraction exerted by the nucleus that is:

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Which of the following statements is most appropriate for the effective nuclear charge? On what does it depend?

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The screening effect of inner electrons of the nucleus causes

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The unpaired electrons in $Al$ and $Si$ are present in the $3p$ orbital. Which electrons will experience a higher effective nuclear charge from the nucleus?

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For the valence shell of $Na$,screening is provided by:

Similar Questions

In which pair does the first element have a higher $Z_{eff}$ than the second atom?

In $Lithium$,the $2s$ electron experiences a force of attraction exerted by the nucleus that is:

Which of the following statements is most appropriate for the effective nuclear charge? On what does it depend?

The screening effect of inner electrons of the nucleus causes

The unpaired electrons in $Al$ and $Si$ are present in the $3p$ orbital. Which electrons will experience a higher effective nuclear charge from the nucleus?

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