An atom that has 117 protons in its nucleus has not yet been made. Once this atom is made, to which period and group will element 117 belong?
Element 117 (tennessine) is in group 17/VIIA and period 7.
Element 117 was synthesized in 2010. Its name is tennessine, and the symbol is Ts.
It is in group 17 or VIIA, and period 7.
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It is produced by the NIST, which is the National Institute of Standards and Technology.