MCQ
The atomic number of the element unnilennium is
- A$119$
- B$108$
- C$102$
- ✓$109$
✓
Answer
Correct option: D.
$109$
d
$1$ $0$ $9$
$1$ $0$ $9$
$un$ $nil$ $enn$
Hence correct name $\rightarrow$ unnilennium
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