Protactinium Atomic Structure
|
| Number of Energy Levels: | 7 |
| First Energy Level: | 2 |
| Second Energy Level: | 8 |
| Third Energy Level: | 18 |
| Fourth Energy Level | 32 |
| Fifth Energy Level | 20 |
| Sixth Energy Level | 9 |
| Seventh Energy Level | 2 |
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Graphic courtesy of
ChemicalElements.com