MCQ
A certain orbital has no angular nodes and two radial nodes. The orbital is
- A3p
- B3s
- C2p
- D2s
✓
Answer
B. 3s
Explanation:
3s orbital has no angular nodes and two radial nodes.
Explanation:
| Orbit | Angular nodes $\ell$ | Radial nodes$(n-\ell-1)$ |
| 2p | $\ell=1$ | 2-1-1=0 |
| 3p | $\ell=1$ | 3-1-1=1 |
| 3s | $\ell=0$ | 3-0-1=2 |
| 2s | $\ell=0$ | 2-0-1=1 |
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