The correct order of the metallic nature of the following elements is

The correct order of the metallic nature of the following elements is
  1. $\mathrm{Si}>\mathrm{Al}>\mathrm{Na}>\mathrm{Hg}$
  2. $\mathrm{Na}>\mathrm{Mg}>\mathrm{Al}>\mathrm{Si}$
  3. $\mathrm{Al}>\mathrm{Mg}>\mathrm{Na}>\mathrm{Si}$
  4. $\mathrm{Mg}>\mathrm{Na}>\mathrm{Al}>\mathrm{Si}$

Solution

Metallic nature decreases in a period from left to right due to an increase in the effective nuclear charge.

Asked in: AP EAMCET 2023 (18 May Shift 2)

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