61 Promethium

Atomic Number
Atomic Weight
Boiling Point °C
Melting Point °C
Specific Gravity
Electron Configuration
Electronegativity
Heat of Vaporization
Heat of Fusion
61
145
3512
931
6.475
Xe/4F5,6S2
1.13

Electrical Conductivity
Thermal Conductivity
Specific Heat
First Ion Potential
Covalent Radius
Atomic Radius
Atomic Volume
Oxidation States

0.179

5.554
1.63
2.62
22.39
3

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