MCQ
Which is the metallic element?
- AY
- BX
- CBoth A and B
- DNone of the above
✓
Answer
- Y
Explanation:
Y: 2, 8, 2 is a metallic element as it has a tendency to loose an electron and get stable octet configuration.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If $HCl$ is added over following substance then what is formed
→which is not correct about $(I)$
→$\mathrm{A}_{(\mathrm{g})} \rightleftharpoons \mathrm{B}_{(\mathrm{g})}+\frac{\mathrm{C}}{2}(\mathrm{~g}) \quad$ The correct relationship between $K_P, \alpha$ and equilibrium pressure $P$ is
→Which of the following has minimum melting point
$(i)$ Chlorobenzene and $(ii)$ benzene hexachloride are obtained from benzene by the reaction of chlorine, in the presence of
→$0.1\,gm$ of organic compound was analysed by Kjeldahl's method. In analysis produced $NH_3$ absorbed in $30\, ml\, N/5\, H_2SO_4$ . The remaining acid required $20\, ml\, N/10\, NaOH$ for neutralisation. Calculate percentage.......$\%$ of nitrogen in organic compound
→Heat of combustion of a substance
According to modern atomic theory atoms of argon and calcium have same atomic weight, these are known as:
The standard gibbs energy change for the reaction ${H_2}O \rightleftharpoons {H^ + } + O{H^ - }$ at $25\,^oC$ is.....$ kJ$
→The shape of $XeO _2 F _2$ molecule is
→