MCQOPTIONS
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| 1. |
An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is [IIT 1995] |
| A. | 79.0 |
| B. | 51.8 |
| C. | 49.2 |
| D. | 38.2 |
| Answer» B. 51.8 | |