Arrange the following as per the instructions given in the brackets:
Cs, Na, Li, K, Rb (increasing order of metallic character).

Options

A. `LI lt Na lt K lt Rb lt Cs`
B. `Li lt Na lt Cs lt K lt Rb`
C. `K lt Rb lt Cs lt Li lt Na`
D. `Cs lt Li lt Na lt K lt Rb`

Answer

A

Explanation

The reactivity of metals is characterised by metallic character, which are all displayed on the periodic table.s left side. From top to bottom, or right to left, the metallic character of an element increases.