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What will be the value of screening cons...

What will be the value of screening constant `(sigma)` for the sodium atom?

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The correct Answer is:
For sodium atom `sigma=(2 xx 0.85) +(2 xx 1)=6.8+2=8.8`
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Knowledge Check

  • What is the value of the gas constant R ?

    A
    `8.33"JK"^(-1)"mol"^(-1)`
    B
    `8.35"JK"^(-1)"mol"^(-1)`
    C
    `8.31"JK"^(-1)"mol"^(-1)`
    D
    `8.32"JK"^(-1)"mol"^(-1)`

  • The unit of Stefan's constant sigma is

    A
    `Wm^(-2)K^(-1)`
    B
    `Wm^(2)K^(-4)`
    C
    `Wm^(-2)K^(-4)`
    D
    `Wm^(-2)K^(4)`

  • The unit of Stefan's constant sigma is

    A
    `W m^(-2)K^(-1)`
    B
    `W m^(2)K^(-4)`
    C
    `W m^(-2)K^(-4)`
    D
    `W m^(-2)K^(-4)`

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