Question

Arrange the following elements in order of their decreasing metallic character.

Na, Si, Cl, Mg, Al

a) Cl > Si > Al > Mg > Na b) Na > Mg > Al > Si > Cl

c) Na > Al > Mg > Cl > Si d) Al > Na > Si > Ca > Mg​

Answer 1

Answer:

: Option (b) is the correct answer.

Explanation:

Therefore, the given elements Na, Si, Cl, Mg, Al all belongs to third period. Hence, they are arranged in the order of their decreasing metallic character as follows.

Na > Mg > Al > Si > Cl.