MCQ
Which of the following is most electronegative
- ✓$O$
- B$S$
- C$Te$
- D$Se$
| Element - | $O$ | $S$ | $Sc$ | $Te$ | $Po$ |
| Electo negativity - | $3.5$ | $2.5$ | $2.4$ | $2.1$ | $2.0$ |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $-I$ | Column $-II$ |
| (Atomic number) | (Position of element in Periodic table) |
| $(A)$ $Z = 37$ | $(P)$ $p-$ block |
| $(B)$ $Z = 42$ | $(Q)$ $f-$ block |
| $(C)$ $Z = 34$ | $(R)$ $d-$ block |
| $(D)$ $Z = 92$ | $(S)$ $s-$ block |
| Element | Electronic configuration |
| $X$ | $1s^2\,2s^2\,2p^2$ |
| $Y$ | $1s^2\,2s^2\,2p^6\,3s^1$ |
| $Z$ | $1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,3d^{10}\,4s^2\,4p^5$ |
Which set of properties match correctly with properties of the hydrides of these elements