Assertion: compound | /r/MadeOf | sodium oxide
Facets:
Source sentences:
text: Water glass, also called sodium silicate or soluble glass, a compound containing sodium oxide (Na 2 O) and silica (silicon dioxide, SiO 2 ) that forms a glassy solid with the very useful property of being soluble in water.
text: Compounds that contain the sodium anion, Na−, have also been synthesized.