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Which of the following configuration is ...

Which of the following configuration is characteristic of group 13- elements ?

A

`ns^(2) np^(1)`

B

`(n-1)d ^(10) ns^(2) np^(2)`

C

`(n-1)d^(1)ns^(2)`

D

`ns^(2) n^(3)`.

Text Solution

Verified by Experts

The correct Answer is:
A
The general electronic configuration of group 13 elements is `ns^(2)` `np^(1)`.
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Knowledge Check

  • Which of the following is NOT a characteristics of noise ?

    A
    Sudden changes in amplitude
    B
    A pure sine wave
    C
    Short duration
    D
    Very low frequency

  • Which of the following electronic configuration is that of a transition element ?

    A
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6`
    B
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^1`
    C
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^2 4s^2`
    D
    `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2`

  • Which of the following is NOT the characteristic of displacement ?

    A
    It has both magnitude and direction.
    B
    It can be represented geometrically.
    C
    It is always positive.
    D
    Its magnitude is equal to the shorter distance between the initial and final position of the particle.