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Elements

Hafnium - Hf

The element Hafnium, atomic number 72, is formed from planetary nebula, which results from red giant death.

      1. Name:
      2. Hafnium
      1. Symbol:
      2. Hf
      1. Atomic number (protons):
      2. 72
      1. How created:
      2. planetary nebula
      1. Process:
      2. red giant death
      1. How created (secondary):
      2. neutron star merger
      1. Group (column):
      2. 4
      1. Period (row):
      2. 6
      1. Atomic weight:
      2. 178.490000000
      1. Melting point:
      2. 2506 K
      1. Boiling point:
      2. 4876 K
      1. Density:
      2. 13.3100000 g/cm3

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