MCQOPTIONS
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| 1. |
Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is [AIEEE 2010] |
| A. | 4.41 ´ 10–16 J atom–1 |
| B. | –4.41 ´ 10–17 J atom–1 |
| C. | –2.2 ´ 10–15 J atom–1 |
| D. | 8.82 ´ 10–17 J atom–1 |
| Answer» C. –2.2 ´ 10–15 J atom–1 | |