ÇÁ·Î¸ÞƬ
(Pm:Promethium)
Symbol |
Pm |
Name |
Promethium |
Atomic Number |
61 |
Atomic Weight |
144.9128 |
Boiling Point(°C) |
|
Melting Point(°C) |
|
Density |
|
Heat Vapor |
|
Heat Fusion |
|
Electrical Conductivity |
|
Thermal Conductivity |
|
Specific Heat Capacity |
|
Electron Shell |
2,8,18,23,8,2 |
Orbital |
4f5 |
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