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Question

Reason
According to IUPAC systematic nomenclature, the numerical roots for $$1 , 1 $$ and $$3$$ are un , un and tri respectively.
Assertion
Atomic number of the element ununtrium is $$113$$.
Atomic number of the element ununtrium is $$113$$.

A
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
Both Assertion and Reason are incorrect
C
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D
Assertion is correct but Reason is incorrect
Solution
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Correct option is A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Similar Questions
Q1
Reason
According to IUPAC systematic nomenclature, the numerical roots for $$1 , 1 $$ and $$3$$ are un , un and tri respectively.
Assertion
Atomic number of the element ununtrium is $$113$$.
Atomic number of the element ununtrium is $$113$$.
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Q2
Assertion :Atomic number of the element ununtrium is 113. Reason: According to IUPAC systematic nomenclature, the numerical roots for 1,1 and 3 are un, un and tri respectively.
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Q3

today the number of elements discovered is 117 , then why the chapter states 114 ? the three elements - ununtrium (113) , ununpentrium (115) , and ununoctium ( 118) are missing in the given table .

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Q4
According to IUPAC nomenclature, a newly discovered element has been named as Uun. The atomic number of the element is
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Q5
What will be the IUPAC nomenclature of the element placed just below the element At.
Atomic number of At = 85
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