MCQ
Among the following configurations, the element which has the highest electron affinity is
- A$[Ne] \,3s^1 ,\,3p^2$
- ✓$[Ne]\, 3s^2\,3p^5$
- C$[Ne]\, 3s^2\,3p^4$
- D$[Ne]\, 3s^2 \,3p^6 \,3d^5\, 4s^1$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $-I$ | Column $-II$ |
| $(a)$ $4s$ | $(p)$ Circular orbit around nucleus |
| $(b)$ $4p$ | $(q)$ Non directional orbital |
| $(c)$ $1s$ | $(r)$ Angular momentum $=2h/\pi $ |
| $(d)$ $3d$ | $(s)$ Radial node is zero |