Prof. Anil Thomas and Prof. Santosh Yadav Solutions for Chapter: s-Block Elements, Exercise 2: Critical Thinking

Which of the following represents beryllate ion $?$

Quick lime is a/an ______________.

Compound of calcium $\left(\mathrm{X}\right)$is the cheapest form of alkali. On treatment with ${\mathrm{CO}}_2$ it forms a compound, which can be decomposed to give back $\mathrm{X}$ at very high temperature. $\mathrm{X}$ is ___________

Which compound has low lattice energy?

Photoelectric effect is maximum in __________.

On prolonged exposure to air, sodium finally changes to __________.

${\mathrm{LiAlH}}_4$is used as ____________.

The valence shell electronic configuration of $\mathrm{Rb}$ is ______.