ExamBro
ExamBro
JEE Mains · Chemistry · STD 12 - 4. d and f- block elements

\(Gd ^{2+}\) के आद्य अवस्था इलेक्ट्रॉनिक विन्यास में \(4 f\) इलेक्ट्रॉनों की संख्या है............। [Gd की परमाणु संख्या \(=64]\)

  1. A \(7\)
  2. B \(6\)
  3. C \(1\)
  4. D \(8\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(7\)

Step-by-step Solution

Detailed explanation

The electronic configuration of \({ }_{64} \mathrm{Gd}:[\mathrm{Xe}] 4 \mathrm{f}^{7} 5 \mathrm{~d}^{1} 6 \mathrm{~s}^{2}\) So the electronic configuration of \({ }_{64} \mathrm{Gd}^{2+}:[\mathrm{Xe}] 4 \mathrm{f}^{7} 5 \mathrm{~d}^{1} 6 \mathrm{~s}^{0}\) \(i.e.\) the number of…
Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app