Question

Which of the following elements have been duly synthesized and officially recongnized by the `IUPAC`?
(i) 112` (ii) `113`
(iii) `114` (iv) 115`
A. `(i),(iii)`
B. `(ii),(iii)`
C. `(iii),(iv)`
D. `(i),(ii),(iii),(iv)`

Answer 1

Correct Answer - A
As of now, elements with atomic numbers up to `112` and `114, 116` have been officially recognized. Elements with `Z = 113, 115` and beyond have not yet been confirmed.