MCQ
Match the Column $I$ with Column $II$ and select correct answer by given codes.
|
Column $I$ |
Column $II$ |
| $A$. Inert-gas elements | $1.\left( {n - 1} \right){d^{1 - 10}}\,n{s^{1 - 2}}$ |
| $B$. Transition elements | $2\,. ns^2\,np^6$ |
| $C$. Inner-transition elements | $3.\left( {n - 2} \right){f^{1 - 14}}\,\left( {n - 1} \right){s^2}{p^6}{d^{0 - 1}}\,n{s^2}$ |
- A$A-1;\,B-2,\,C-3$
- ✓$A-2;\,B-1,\,C-3$
- C$A-3;\,B-2,\,C-1$
- D$A-2;\,B-3,\,C-1$
