An atom has electronic configurations 2, 8, 7 , to which of the following elements would it be chemically ,similar (atomic number are given in the parentheses)
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chlorine i think so bro
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As the electronic configuration of given atom is 2,8,7.It is inferred that atomic no. of element is, 17 (2+8+7).Thus element with atomic no. 17 is chlorine .Among options which includes.Nitrogen,Florine,phosphorus And argon chemically similar to Flourine
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