Rank the following elements in order of increasing atomic size (radius): Na, S, and F
Na, S and Cl are in same period
We know that atomic size decreases as we move from left to right in a period.
So, atomic size is:
Na > S > Cl
F and Cl are in same group.
We know that atomic size increases as we move down a group.
So, atomic size is:
Cl > F
Combining both, the order of size is:
Na > S > Cl > F
Or,
Na > S > F
Answer: F < S < Na
Rank the following elements in order of increasing atomic size (radius): Na, S, and F
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