InterviewSolution
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InterviewSolution
| 1. |
Out of the two elements X and Y which has a bigger atomic radius? (i) X has atomic number = 18 and atomic mass = 40. (ii) Y has atomic number = 20 and atomic mass = 40. |
| Answer» Solution :Electronic configuration of `X to 2, 8, 8 and Y to 2, 8, 8, 2.` Since X has only three electron shells while Y has four shells, Y has a bigger atomic RADIUS. | |