Hafnium - Hf
The element Hafnium, atomic number 72, is formed from planetary nebula, which results from red giant death.
- Name:
- Hafnium
- Symbol:
- Hf
- Atomic number (protons):
- 72
- How created:
- planetary nebula
- Process:
- red giant death
- How created (secondary):
- neutron star merger
- Group (column):
- 4
- Period (row):
- 6
- Atomic weight:
- 178.490000000
- Melting point:
- 2506 K
- Boiling point:
- 4876 K
- Density:
- 13.3100000 g/cm3
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