Fundamentholfundamenthol
NEET2026Chemistry
Q.

The correct order of increasing metallic character of Na, Be, P, Mg and Si is :

  1. A

    Be < Si < P < Mg < Na

  2. B

    P < Si < Na < Mg < Be

  3. C

    P < Si < Be < Mg < Na

  4. D

    P < Mg < Be < Si < Na

Solution

Metallic character is inversely related to ionisation energy. The ionisation energies decrease as Na < Mg < Be < Si < P, so metallic character increases in the reverse direction:

P < Si < Be < Mg < Na.

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