MCQ
To accommodate the view that matter is made up to $5$ elements only, a scientist proposed the following hypothesis; that atoms can have a maximum principal quantum number $n _{\operatorname{man}}$ and no higher. Then, which of the following statements must be true ?
- A$n _{\max }=1$, and electrons have spin
- ✓$n _{\max }=2$, and electrons have spinless but nevertheless obey the Pauli Exclusion principle.
- C$n_{\max }=3$, and electrons are spinless but nevertheless obey the Pauli Exclusion principle.
- D$n_{\max }=4$, and electrons have spin
