InterviewSolution
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InterviewSolution
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4Theon of three elements in the periodic table is shown belowGroup 1Group 18A.Giving reasons, explain the following:(a) Element A is a non-metal.(b) Element C has a smaller atomic size than element B. |
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Answer» Element A is a Non-Metal because group 18 contain all Noble elements. b- Atomic radius decreases in moving left to right in a period . this is due to increse in nuclear charge which tends to pull the electron closer to the nucleus and reduce the size of the atom. |
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