Chemical Element #61: Promethium (Pm)
Atomic Number: 61, Element Symbol: Pm, Element Name: Promethium, Atomic Mass: 144.91276 u.
Detailed Properties:
| Atomic Number: | 61 |
| Element Symbol: | Pm |
| Element Name: | Promethium |
| Electron Configuration: | [Xe]6s24f5 |
| Atomic Mass: | 144.912760 u |
| Melting Point: | 1315.00 K |
| Boiling Point: | 3273.00 K |
Stable Isotopes:
| Isotope | Mass | Abundance |
| 145Pm | 144.912756 | Unknown |
| 147Pm | 146.915145 | Unknown |
✍: FYIcenter.com
2023-09-05, 213👍, 0💬
Related Topics:
Chemical Element #58: Cerium (Ce)
Atomic Number: 58, Element Symbol: Ce, Element Name: Cerium, Atomic Mass: 140.12 u. 2023-09-05, 284🔥, 0💬
Chemical Element #64: Gadolinium (Gd)
Atomic Number: 64, Element Symbol: Gd, Element Name: Gadolinium, Atomic Mass: 157.2 u. 2022-12-02, 245🔥, 0💬
Chemical Element #56: Barium (Ba)
Atomic Number: 56, Element Symbol: Ba, Element Name: Barium, Atomic Mass: 137.33 u. 2023-09-05, 243🔥, 0💬
Chemical Element #63: Europium (Eu)
Atomic Number: 63, Element Symbol: Eu, Element Name: Europium, Atomic Mass: 151.96 u. 2022-12-03, 238🔥, 0💬
Chemical Element #62: Samarium (Sm)
Atomic Number: 62, Element Symbol: Sm, Element Name: Samarium, Atomic Mass: 150.4 u. 2023-09-05, 237🔥, 0💬
Chemical Element #65: Terbium (Tb)
Atomic Number: 65, Element Symbol: Tb, Element Name: Terbium, Atomic Mass: 158.92535 u. 2022-11-21, 237🔥, 0💬
Chemical Element #59: Praseodymium (Pr)
Atomic Number: 59, Element Symbol: Pr, Element Name: Praseodymium, Atomic Mass: 140.9077 u. 2023-09-05, 232🔥, 0💬
Chemical Element #57: Lanthanum (La)
Atomic Number: 57, Element Symbol: La, Element Name: Lanthanum, Atomic Mass: 138.9055 u. 2023-09-05, 226🔥, 0💬