Why is argon bigger in size than chlorine, when argon is next to chlorine in the third period and the size of element decreases on moving from left to right in a period?

Asked by ashakumar | 27th Feb, 2011, 01:18: AM

Expert Answer:

Dear Student
Argon has completely fullfilled outer shell. So, the size of argon is greater than chlorine because of the interelectronic repulsions start taking palce when an atom attain its octet
We hope that clarifies your query.

Answered by  | 28th Feb, 2011, 10:06: AM

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