Assertion: occurring manganese | /r/HasProperty | one stable isotope
Facets:
Source sentences:
text: Naturally occurring manganese is composed of one stable isotope, 55Mn.
text: Naturally occurring manganese consists of its one stable isotope, 55Mn.
text: Naturally occurring manganese ( 25 Mn) is composed of one stable isotope, 55Mn.
text: Naturally occurring manganese consists of its one stable isotope, 55Mn.