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 VISUAL CHEMISTRY

HAFNIUM
PROPERTIES
Relative atomic mass 178.49
Atomic mass (kg) 297x10-27
Density (g/cm3) 13.3
Physical State at STP Solid
Melting point (°C) 2220
Boiling point (°C) 5400
Crystal Structure of solid element Close packed hexagonal
Stable isotopes 174Hf, 176Hf, 177Hf, 178Hf, 179Hf, 180Hf

STP = standard temperature and pressure. Usually considered as room temperature and pressure.
 

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