Question

:) Arrange the following elements in the 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
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Answer 1

Answer:

b)Na > Mg > Al > Si > Cl

Explanation:

Metallic characteristic decreases across a period on moving right. Therefore, the order comes out to be Na > Mg > Al > Si > Cl.

Answer 2

Answer:

Cl, Si, Al, Mg, Na

Explanation:

as there is decrease in metallic character going accrose the period

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