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Write down the characteristics of the element having atomic number 16.i) Electronic configuration ii) Period number iii) Group number iv) Element family v) Number of valence electrons vi) Valency vii) Metal or non-metal viii) Name of the element |
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Answer» i) Electronic configuration of element is 1s2 2s2 2p6 3s2 3p4 or 2, 8, 6. ii) Period number is 3 because valence electron lies in 3rd orbit. iii) Group number is 6 because the number of valence electrons are 6. iv) Element belongs to chalcogen family. v) Number of valence electrons are 6. vi) Valency = 8 – 6 = 2. vii) It is a non-metal because in a period when we move from left to right nonmetallic character increases. viii) Name of the element is sulphur. |
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