Assertion: metal's crystal structure | /r/HasProperty | face-centred cubic
Facets:
value: face
type: DEGREE
Source sentences:
text: At room temperature, thorium metal has a face-centred cubic crystal structure; it has two other forms, one at high temperature (over 1360 °C; body-centred cubic) and one at high pressure (around 100 GPa; body-centred tetragonal).