Assertion: hydrogen | /r/HasProperty | the simplest element
Facets:
value: on earth
type: LOCATION
value: in the universe
type: LOCATION
Source sentences:
text: Hydrogen is the simplest element.
text: Hydrogen is not toxic but is a simple asphyxiate by the displacement of oxygen in the air.
text: Hydrogen is the simplest chemical and the first element in the periodic table of elements.
text: Hydrogen is the simplest element of all, and the lightest.
text: Hydrogen is the simplest element in the universe.
text: Hydrogen is the simplest element on earth—it consists of only one proton and one electron—