A-The atomic number of elements A,B,C,D and E are given belowElement A – InterviewSolution

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1.	A-The atomic number of elements A,B,C,D and E are given belowElement ABCAtomic No. 7101219Form the above table answer the following question:(a)Which two elements are chemicall' similar?(b) Which is an inert gas?(c) Which element belongs to 3rd period of periodic table?(d) Which element among these is a non-metal ?
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