An element belongs to group 17. It is present in third period and its – InterviewSolution

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1.

An element belongs to group 17. It is present in third period and its atomic number is 17. What is the atomic number of the element belonging to same group and present in fifth period

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Answer:

Hence, the element in the 17TH GROUP of the third period has atomic number Z = 17 ,chlorine(CL) with atomic mass 35.453, which is a p BLOCK element.

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