Question

Which of the following metal is highest electropositive ( metallic) in nature?

• A. Be
• B. Rb
• C. Mn
• D. Mg

Answer 1

The correct option is B Rb

Generally all the alkali and alkaline-earth metal are electropositive in nature. Whereas the p-block elements like O, Cl, C, N are electronegative elements.

The most electropositive element among the given elements is $Rb$

thus, Option B is correct.

Note: alkali metals are more electropositive than alkaline-earth metal