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Calculate the number of electrons which ...

Calculate the number of electrons which will together weigh one gram.

Text Solution

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Mass of one electron`=9.11xx10^(-31)kg`
`therefore` 1g or `10^(-3)kg=(1)/(9.11xx10^(-31))xx10^(-3)` electrons.
`=1.098xx10^(27)` electrons.
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Knowledge Check

  • The number of d-electrons in Fe^2+ (Z=26) is not equal to the number of electrons in which one of the following ?

    A
    s-electrons in Mg(Z=12)
    B
    p-electrons in Cl (Z=17)
    C
    d-electrons in Fe (Z=26)
    D
    p-electrons in Ne (Z=10)
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