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NEET
Exam
NEET
Subject
Chemistry
Chapter
s Block Elements

NEET · Chemistry · s Block Elements

Both lithium and magnesium are known to be harder and lighter than...

Both lithium and magnesium are known to be harder and lighter than other elements in their respective groups. Which property contributes to their hardness?

Options

  1. AHigh electronegativity
  2. BHigh atomic radius
  3. CHigh density
  4. DStrong metallic bonding

Correct answer

D. Strong metallic bonding

Step-by-step solution

The hardness of lithium and magnesium is due to strong metallic bonding in their crystal structures.
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