MCQ
Element $'X\ ’$ forms a chloride with the formula $\mathrm{XCl}_2$, which is a solid with high melting point. $X $ would most likely be in the same group of the periodic table as:
- A$\ce{Si}$
- ✓$\ce{Mg}$
- C$\ce{Al}$
- D$\ce{Na}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $\ce{P}$ | $\ce{Q}$ | $\ce{R}$ |
| $\ce{Ru}$ | $\ce{Rh}$ | $\ce{S}$ |
| $\ce{Os}$ | $\ce{Lr}$ | $\ce{Pr}$ |