Chemical Element #91: Protactinium (Pa)
Atomic Number: 91, Element Symbol: Pa, Element Name: Protactinium, Atomic Mass: 231.0359 u.
Detailed Properties:
| Atomic Number: | 91 |
| Element Symbol: | Pa |
| Element Name: | Protactinium |
| Electron Configuration: | [Rn]7s25f26d1 |
| Atomic Mass: | 231.035900 u |
| Melting Point: | 1845.00 K |
| Boiling Point: | Unknown |
Stable Isotopes:
| Isotope | Mass | Abundance |
| 231Pa | 231.035884 | 1.000000 |
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2022-05-01, 207👍, 0💬
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