MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryPeriodic PropertiesPrevious Year Questions

The element with atomic number 117 has not been discovered yet. In which family would you place this element if discovered? [Kerala CEE 2009]

A.Alkali metals

B.Alkaline earth metals

C.Halogens✓ Correct

D.Noble gases

Explanation

The electronic configuration of an element with atomic number 117 is 14 10 2 5 Rn 5f 6d 7s 7p and it belongs to the halogen family as the outermost shell has 7 electrons (2+5). Therefore, it belongs to the VIIA group that is halogens.

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