Classification Of Elements And Periodicity In Properties Ques 1
1. Identify the incorrect match.
| Name | IUPAC Official Name | ||
|---|---|---|---|
| (A) | Unnilunium | (i) | Mendelevium |
| (B) | Unniltrium | (ii) | Lawrencium |
| (C) | Unnilhexium | (iii) | Seaborgium |
| (D) | Unununnium | (iv) | Darmstadium |
(a) (B), (ii)
(b) (C), (iii)
(c) (D), (iv)
(d) (A), (i)
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Answer:
Correct Answer: 1.(d)
Solution:
(c) Unununium $(Z=111)$, it is Roentgenium (Rg) not Darmstadtium.