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Classification of Elements and Periodicity in Properties
Nomenclature of Elements with Atomic Number Greater than 100
1 question from 1 paper, each with its answer.
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- of Classification of Elements and Periodicity in Properties
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Concepts tested
- IUPAC names of elements with Z > 100
All Questions
2020 1 question
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Identify the incorrect match. Name – IUPAC Official Name (a) Unnilunium – (i) Mendelevium (b) Unniltrium – (ii) Lawrencium (c) Unnilhexium – (iii) Seaborgium (d) Unununnium – (iv) DarmstadtiumUnununnium corresponds to atomic number 111, whose IUPAC official name is Roentgenium (not Darmstadtium, which is element 110). So (d)–(iv) is the incorrect match. (Unnilunium = 101 Mendelevium, Unniltrium = 103 Lawrencium, Unnilhexium = 106 Seaborgium are correct.)