Promethium
- Number:
- 61
- Atomic Weight:
- 145.0
- Symbol:
- Pm
- Melting Point:
- 1,100° C /2,012° F
- Boiling Point:
- 3,000° C /5,432° F
- Density:
- 7.3 g/mL
- Group:
- Lanthanoids
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