Gadolinium belongs to $4 f$ series. Its atomic number is $64$ . Which of the following is the correct electronic configuration of gadolinium?

[X e] 4 f^{7} 5 d^{1} 6 s^{2}

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[X e] 4 f^{6} 5 d^{2} 6 s^{2}

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[X e] 4 f^{8} 6 d^{2}

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[X e] 4 f^{9} 5 s^{1}

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Solution

The correct option is A $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$
$_{64} Gd = [Xe] 6 s^{2} 4 f^{7} 5 d^{1}$
Half filled and fully filled orbitals are more stable.

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Similar questions

Q. The electronic configuration of Gadolinium (Atomic number

64

) is

The electronic configuration of gadolinium (Atomic number 64) is
(a) $[X e] 4 f^{3} 5 d^{5} 6 s^{2}$
(b) $[X e] 4 f^{7} 5 d^{2} 6 s^{1}$
(c) $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$
(d) $[X e] 4 f^{8} 5 d^{6} 6 s^{2}$

Q. The electronic configuration of gadolinium (At. no.

64

) is:

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Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?

The correct option is A [Xe]4f75d16s264Gd=[Xe]6s24f75d1 Half filled and fully filled orbitals are more stable.

Gadolinium belongs to $4 f$ series. Its atomic number is $64$ . Which of the following is the correct electronic configuration of gadolinium?

The correct option is A $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$
$_{64} Gd = [Xe] 6 s^{2} 4 f^{7} 5 d^{1}$
Half filled and fully filled orbitals are more stable.