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Questions  

According to IUPAC nomenclature, the symbol of the element with Z=112 in the Modern periodic table is

a
UuB
b
Uub
c
uub
d
UUb

detailed solution

Correct option is B

According to IUPAC system :the notations given to the digits for the elements with Z > 100 are….0 = nil ; 1 = un ; 2 = bi ; 3 = tri ; 4 = quad ; 5 = pent ; 6 = hex ; 7 = sept ; 8 = oct ; 9 = enn ;The suffix ‘ium’ is always used to write the IUPAC name ;The first letter in the symbol (or) name of the element is indicated by ‘Capital letter’ and the other two letters are indicated by small letters ;101 = Un + nil + un…..Unnilunium ;102 = Un + nil + bi…..Unnilbium ;103 = Un + nil + tri…..Unniltrium ;104 = Un + nil + quad…..Unnilquadium ;105 = Un + nil + pent…..Unnilpentium ;106 = Un + nil + hex…..Unnilhexium;107 = Un + nil + sept…..Unnilseptium ; 108 = Un + nil + oct…..Unniloctium ; 109 = Un + nil + enn…..Unnilennium;110 = Un + un + nil…..Ununnillium ; 111 = Un + un + un…..Unununnium ; 112 = Un + un + bi…..Ununbium ;113 = Un + un + tri…..Ununtrium ; 114 = Un + un + quad…..Ununquadium ; 115 = Un + un + pent…..Ununpentium ;116 = Un + un + hex…..Ununhexium ; 117 = Un + un + sept…..Ununseptium ; 118 = Un + un + oct…..Ununoctium ;119 = Un + un + enn…..Ununennium ; 120 = Un + bi + nil…..Unbinilium ;

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