Assertion: manganese | /r/AtLocation | two oxidation states
Facets:
Source sentences:
text: Manganese is present in two oxidation states +2 and +3 and the formula is sometimes written as MnO.Mn 2 O 3 .
text: Manganese is present in two oxidation states +2 and +3 and the formula is sometimes written as MnO.Mn 2 O 3 .