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NEETChemistrys Block Elements

Why do the alkaline earth metals have higher melting and boiling points than the corresponding alkali metals?

Options

  1. ADue to their larger sizes
  2. BDue to their smaller sizes
  3. CDue to the presence of more protons
  4. DDue to their lower ionization energies

Correct answer

A. Due to their larger sizes

Step-by-step solution

The alkaline earth metals have larger atomic sizes compared to the alkali metals in Group 1, which leads to stronger metallic bonding and higher melting and boiling points.

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