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NEET 2013
Exam
NEET
Year
2013
Subject
Chemistry
Chapter
d and f Block Elements

NEET 2013 · Chemistry · d and f Block Elements

The outer electronic configuration of Gd (At. No. 64) is:

The outer electronic configuration of Gd\mathrm{Gd} (At. No. 64) is:

Options

  1. A4f55d46s14 f^5 5 d^4 6 s^1
  2. B4f75d16s24 f^{7} 5 d^1 6 s^2
  3. C4f35d56s24 f^3 5 d^5 6 s^2
  4. D4f45d56s14 f^4 5 d^5 6 s^1

Correct answer

B. 4f75d16s24 f^{7} 5 d^1 6 s^2

Step-by-step solution

The electronic configuration is [Xe]4f75d16s2\left[\mathrm{X}_e\right] 4 f^{7} 5 d^1 6 s^2
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