Arrange the following in decreasing order of atomic size: $M g, C l, N a, S, S i$

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Solution

As we move from left to right in a period, atomic size decreases as the electrons are added to the same shell.
The order is: $N a > M g > S i > S > C l$

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Arrange the following in decreasing order of atomic size: Mg,Cl,Na,S,Si

As we move from left to right in a period, atomic size decreases as the electrons are added to the same shell.The order is: Na>Mg>Si>S>Cl

Arrange the following in decreasing order of atomic size: $M g, C l, N a, S, S i$

As we move from left to right in a period, atomic size decreases as the electrons are added to the same shell.
The order is: $N a > M g > S i > S > C l$