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Which of the following has highest first...

Which of the following has highest first ionisation energy?

A

He

B

Ne

C

Ar

D

Kr.

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Knowledge Check

  • Which of the following has highest entropy?

    A
    water
    B
    graphite
    C
    mercury
    D
    hydrogen

  • Which one of the following has the lowest ionisation energy-

    A
    `1s^2 2s^2 3p^6`
    B
    `1s^2 2s^2 2p^6 3 s^1`
    C
    `1s^2 2s^2 2p^5`
    D
    `1s^2 2s^2 2p^3`

  • Which of the following atoms ha the highest first ionisation energy-

    A
    Rb
    B
    Na
    C
    K
    D
    Sc

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    Which of the following has highest dipole moment?

    Which of the following atoms has the highest first ionization energy ?

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