Assertion: pm | /r/HasProperty | radioactive
Facets:
value: very
type: DEGREE
value: according to lenntech
type: OTHER
Source sentences:
text: Promethium is very radioactive and emits beta radiation, according to Lenntech.
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.
text: Promethium is very radioactive and emits beta radiation, according to Lenntech.