Question

In certain matters, lithium differs from other alkali metals, the main reason for this is:

• A. Small size of lithium atom and Li⁺ ion
• B. Extremely high electropositivity of Li
• C. Greater hardness of Li
• D. Hydration of Li⁺ ion

Answer 1

The correct option is A Small size of lithium atom and Li⁺ ion

it is a reason for given fact.