MCQOPTIONS
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| 1. |
Principal quantum number of an atom represents [EAMCET 1979; IIT 1983; MNR 1990;UPSEAT 2000, 02] |
| A. | Size of the orbital |
| B. | Spin angular momentum |
| C. | Orbital angular momentum |
| D. | Space orientation of the orbital |
| Answer» B. Spin angular momentum | |