Assertion: plutonium | /r/HasAspect | six allotropes
Facets:
value: normally
type: DEGREE
Source sentences:
text: Plutonium normally has six allotropes and forms a seventh (zeta, ζ) at high temperature within a limited pressure range.
text: Numerous allotropes can be formed—plutonium has at least six allotropes.
text: Plutonium has six allotropes.
text: Plutonium normally has six allotropes and forms a seventh (zeta, ζ) under high temperature and a limited pressure range.