Question
Why are alkali metals soft?
✓
Answer
They are soft metals due to less force of attraction between positively charged kernels and valence electrons cloud and due to large atomic size, i.e., weak metallic bond.
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
How many $\sigma$ and $\pi$ bonds gre there in,
→Why is $\mathrm{KO}_2$ used in oxygen cylinder in space and submarines?
→Which alkene, on heating with $\mathrm{KMnO}_4 / \mathrm{KOH}$ gives Hexane 1, 6 -dioic acid?
→Explain, giving reasons, which of the following sets of quantum numbers are not possible.
$\text{n}=3, \text{l}=1,\text{m}_{\text{l}}=0,\text{m}_{\text{s}}=+\frac{1}{2}$
→$\text{n}=3, \text{l}=1,\text{m}_{\text{l}}=0,\text{m}_{\text{s}}=+\frac{1}{2}$
How many significant figures are present in the following?
500.0
500.0
$\mathrm{Fe}+\mathrm{Cd}^{2+} \rightarrow \mathrm{Cd}+\mathrm{Fe}^{2+}$ will this reaction take place or not?
$\text{E}^0_\frac{\text{Fe}^{2+}}{\text{Fe}}=-0.44\text{V}$
$\text{E}^0_\frac{\text{Cd}^{2+}}{\text{Cd}}=-0.40\text{V}$
→$\text{E}^0_\frac{\text{Fe}^{2+}}{\text{Fe}}=-0.44\text{V}$
$\text{E}^0_\frac{\text{Cd}^{2+}}{\text{Cd}}=-0.40\text{V}$
What happens when magnesium reacts with
i. $\mathrm{CO}_2$
ii. $\mathrm{SO}_2$ gas?
→i. $\mathrm{CO}_2$
ii. $\mathrm{SO}_2$ gas?
Which alkyne would you start with to Prepare $\text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CO}-\text{CH}_3?$
→Arrange the three isomers of pentane in increasing order of their boiling points.
Can we apply Heisenberg's uncertainty principle to a stationary electron? Why or why not?