Assertion: hafnium | /r/HasAspect | hexagonal lattice
Facets:
value: at room temperature
type: OTHER
value: with constants
type: OTHER
Source sentences:
text: At room temperature, hafnium has a hexagonal lattice with constants a = 3.1946 angstroms (Å) and c = 5.0511 Å. Density, 13.09 g/cm3 (20° C).