Question

Name four alkali metals.

Answer 1

Alkali metals: Group-1 elements of the modern periodic table are called as alkali metals.

• They are known as alkali metals because the hydroxides of these metals form strong bases or alkali.
• Example:

S. No.	Element	Symbol
1.	Lithium	$\mathrm{Li}$
2.	Sodium	$\mathrm{Na}$
3.	Potassium	$\mathrm{K}$
4.	Rubidium	$\mathrm{Rb}$