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What is effective nuclear charge ?...

What is effective nuclear charge ?

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The net nuclear charge experienced by valence electrons in the outermost shell is called the effective nuclear charge.
`Z_(en)=Z-S`
Where Z is the atomic number and S is the screening constant
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Knowledge Check

  • In which case, effective nuclear charge is minimum ?

    A
    Be
    B
    `Be^(+2)`
    C
    `Be^(+3)`
    D
    all

  • Assertion : Na^(+) and Al^(-3) are isoelectronic but the magnitude of the ionic radius of Al^(+3) is less than that of Na^(+) . Reason : The magnitude of effective nuclear charge of the outer shell of electrons of Al^(+3) is greater than that of Na^(+)

    A
    if both assertion and reason are true and reason is the correct explanation of the assertion
    B
    if both assertion and reason are true and reason is not the correct explanation of the assertion
    C
    if assertion is true, but reason is false
    D
    if both assertion and reason are false

    • Similar Questions

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    Using Slater's rule calculate the effective nuclear charge on a 3p electron in aluminium and chlorine .Explain how these results relate to the atomic radii of the two atoms.

    Using Slater's rule calculate the effective nuclear charge on a 3p electron in aluminium and chlorine. Explain how these results relate to the atomic radii of the two atoms

    Calculate the effective nuclear charge of the last electron in an atom whose configuration is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(5)

    Define effective nuclear charge. Arrange s,p, d and f orditals in the decending order of their effective nuclear charge .

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    Explain how effective nuclear charge is related with stability of the orbital?

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