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Chemical Element #57: Lanthanum (La)
Atomic Number: 57, Element Symbol: La, Element Name: Lanthanum, Atomic Mass: 138.9055 u.
Detailed Properties:
Atomic Number: | 57 |
Element Symbol: | La |
Element Name: | Lanthanum |
Electron Configuration: | [Xe]6s25d1 |
Atomic Mass: | 138.905500 u |
Melting Point: | 1191.00 K |
Boiling Point: | 3737.00 K |
Stable Isotopes:
Isotope | Mass | Abundance |
138La | 137.907115 | 0.000888 |
139La | 138.906356 | 0.999112 |
✍: FYIcenter.com
2023-09-05, 226👍, 0💬
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