Zirconium - Zr
The element Zirconium, atomic number 40, is formed from planetary nebulae, which results from red giant death.
- Name:
- Zirconium
- Symbol:
- Zr
- Atomic number (protons):
- 40
- How created:
- planetary nebulae
- Process:
- red giant death
- How created (secondary):
- Type II supernova
- Process (secondary):
- star core collapse
- Group (column):
- 4
- Period (row):
- 5
- Atomic weight:
- 91.224000000
- Melting point:
- 2128 K
- Boiling point:
- 4682 K
- Density:
- 6.5060000 g/cm3
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