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InterviewSolution
| 1. |
Arrange the following elements in the descending order of atomic size and give a reason for your answer. Mg, CI, P. Ar Atomic number of elements is 12, 17, 15, 18. |
| Answer» Solution :`Mg, P , Cl , Ar` Increase in the atomic NUMBER MEANS increase in NUCLEAR charge which tends to PULL the ELECTRONS closer to the nucleus and reduces the size of the atom. | |