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Arrange the following elements in the or...

Arrange the following elements in the order of their decreasing metallic charcter Na, Si, Cl, Mg, Al.

A

Cl `gt` Si `gt` Al `gt` Mg `gt` Na

B

Na `gt` Ma `gt` Al `gt` Si `gt` Cl

C

Na `gt` Al `gt` Mg `gt` Cl `gt` Si

D

Al `gt` Na `gt` Si `gt` Ca `gt` Mg

Text Solution

Verified by Experts

The correct Answer is:
B
Metals lie on the extreme left side of the periodic table. Metallic character decreases from left to right in a period
Na, Si, Cl, Mg, Al belong to same period in the order Na, Mg, Al, Si, Cl. On moving in a period from left to right, the metallic character decreases
Thus, the order of decreasing metallic character is
Na `gt` Mg `gt` Al `gt` Si `gt` Cl.
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