라듐
(Ra:Radium)
Symbol |
Ra |
Name |
Radium |
Atomic Number |
88 |
Atomic Weight |
226 |
Boiling Point(°C) |
1,737 |
Melting Point(°C) |
700 |
Density |
5 |
Heat Vapor |
27.4 |
Heat Fusion |
2.4 |
Electrical Conductivity |
- - |
Thermal Conductivity |
- - |
Specific Heat Capacity |
- - |
Electron Shell |
2,8,18,32,18,8,2 |
Orbital |
7s2 |
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