NCERT · Class 11 · Chemistry · Classification of Elements and Periodicity in PropertiesWhat is the IUPAC official name symbol for the element with atomic number 105?
Step-by-Step Solution
According to IUPAC nomenclature for elements with atomic number > 100, 1 = un, 0 = nil, 5 = pent, ending in 'ium'. Name: Unnilpentium (Unp) / Dubnium (Db).
Detailed Options Breakdown
Option : Unnilpentium (Unp) (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Unnilbium (Unb)
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Classification of Elements and Periodicity in Properties.
Option 2: Unnilquadium (Unq)
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Classification of Elements and Periodicity in Properties.
Option 3: Unnilhexium (Unh)
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Classification of Elements and Periodicity in Properties.
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