Assertion: magnesium sulfate's magnesium | /r/HasProperty | chemical element
Facets:
value: with the symbol mg
type: OTHER
value: with atomic number
type: OTHER
Source sentences:
text: Magnesium is a chemical element with the symbol Mg and atomic number 12.
text: Magnesium is a chemical element with symbol Mg and atomic number 12.
text: Magnesium is a chemical element with the symbol Mg and atomic number 12.
text: Magnesium (Mg) , chemical element , one of the alkaline-earth metals of Group 2 (IIa) of the periodic table , and the lightest structural metal .