MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic 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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