Assertion: metallic promethium | /r/HasProperty | white
Facets:
value: according to chemicool
type: OTHER
value: in color
type: OTHER
Source sentences:
text: According to Chemicool, metallic promethium is silvery white, and the salts glow in the dark with a pale blue or green light.
text: According to Chemicool, metallic promethium is silvery white, and the salts glow in the dark with a pale blue or green light.
text: Promethium is radioactive element; metallic promethium is silvery white in color and its salts glow in the dark to produce pale blue or green light.