Easy MCQ +4 / -1 PYQ · JEE Mains 2022

The IUPAC nomenclature of an element with electronic configuration [Rn] $5 \mathrm{f}^{14} 6 \mathrm{d}^{1} 7 \mathrm{s}^{2}$ is :

  1. A Unnilbium
  2. B Unnilunium
  3. C Unnilquadium
  4. D Unniltrium Correct answer

Solution

The element with electronic configuration [Rn] $5 \mathrm{f}^{14} 6 \mathrm{~d}^{1} 7 \mathrm{~s}^{2}$ has atomic number $\rightarrow 103$ <br/><br/> $\therefore$ Its IUPAC name is: Unniltrium

About this question

Subject: Chemistry · Chapter: Periodic Table and Periodicity · Topic: Periodic Trends

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