Assertion: hydrogen peroxide | /r/HasAspect | two hydrogen atoms
Facets:
Source sentences:
text: Discovered by Louis-Jacques Thenard in 1818, hydrogen peroxide has two hydrogen atoms and two oxygen atoms — a composition similar to that of water, but with an extra atom of oxygen.
text: Discovered by Louis-Jacques Thenard in 1818, hydrogen peroxide has two hydrogen atoms and two oxygen atoms—a composition similar to that of water, but with an extra atom of oxygen.