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Scandium is a transition element. But Zi...

Scandium is a transition element. But Zinc is not. Why ?

Text Solution

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Scandium has electronic configuration `[Ar]4s^(2)3d^(1)`.
Zinc has electronic configuration `[Ar]4s^(2)3d^(10)`
Scandium has one unpaired d-electron where as Zinc has zero unpaired d-electrons so Scandium is transition element but Zinc is not.
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Knowledge Check

  • (A): Zinc is not considered as a transition element (R): Zn or Zn^(+2) does not contain unpaired d-electon

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not the correct explanation of A
    C
    A is true and R is false
    D
    R is true and A is false

  • (A): Zn is not a transition element. (R) : Elements with incompletely filled d-orbital are called transition elements

    A
    Both (A) and (R) are true and (R) is the correct explanation of (A)
    B
    Both (A) and (R) are true and (R) is not the correct explanation of (A)
    C
    (A) is true but (R) is false
    D
    (A) is false but (R) is true

  • The transition element among the following is

    A
    Cu
    B
    Sn
    C
    Pb
    D
    Zn

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