Question

Arrange the following elements in the increasing order of their metallic character. [2 marks]

Lithium, Sodium, Potassium, Rubidium, Caesium

Answer 1

The given elements belong to the group 1 of the modern periodic table. Metallic character increases as we move down the group. [1 mark]

Hence, the increasing order of metallic character is: lithium < sodium < potassium < rubidium < caesium. [1 mark]