Class 11ChemistryClassification of Elements and Periodicity in PropertiesExtended or long form of periodic table
DifficultIf the $IUPAC$ name of an element is $Unununnium$,then the element belongs to the $n^{th}$ group of the periodic table. The value of $n$ is . . . . . .
- A$8$
- B$15$
- C$10$
- D$11$
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