The electronic configuration of an element is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 1 . What…
Chemistry · NEET · NTA Exams — Classification of Elements and Periodicity in Properties
The electronic configuration of an element is 1s2 2s2 2p6 3s2 3p6 3d10 4s1. What is the atomic number of element of the same group which is recently discovered?
- 119
- 20
- 111
- None
Answer
(A) 119
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