Question

In certain respects, 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

Answer: (A)

Small size of lithium atom and $Li^+$ ion

Answer 2

In certain matters, lithium differs from other alkali metals(anamalous property); the main reason for this is small size of lithium atom and $Li ^{+}$and high polarizing power.