The electronic configuration of Gd (atomic number $= 64$ amu) is:

[X e] 4 f^{8} 5 d^{9} 6 s^{2}

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

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

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[X e] 4 f^{3} 5 d^{3} 6 s^{2}

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Solution

The correct option is A $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$
Gd is an element of the lanthanide series. It has an electronic configuration as $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$ .

Since half-filled configurations are highly stable, this configuration is preferred.

Hence, the correct option is $B$

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Similar questions

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) $[X e] 4 f^{8} 5 d^{6} 6 s^{2}$

The electronic configuration of Gd²⁺ is (at. No. of Gd is 64)

Q. The electronic configuration of bivalent europium and trivalent cerium, are: (Atomic Number : Xe = 54, Ce = 58, Eu = 63)

Q. Gadolinium (Gd) has a

4 f^{7} 5 d^{1} 6 s^{2}

electronic configuration outside the [Xe] core. Find the spin only magnetic moment of

G d^{3 +}

Q. The lanthanide element that has the electronic configuration

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

is:

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The electronic configuration of Gd (atomic number =64 amu) is:

The correct option is A [Xe]4f75d16s2Gd is an element of the lanthanide series. It has an electronic configuration as [Xe]4f75d16s2. Since half-filled configurations are highly stable, this configuration is preferred.Hence, the correct option is B

The electronic configuration of Gd (atomic number $= 64$ amu) is:

The correct option is A $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$
Gd is an element of the lanthanide series. It has an electronic configuration as $[X e] 4 f^{7} 5 d^{1} 6 s^{2}$ .

Since half-filled configurations are highly stable, this configuration is preferred.

Hence, the correct option is $B$