Assertion: sulfur | /r/HasProperty | symbol s
Facets:
Source sentences:
text: Sulfur is a yellow non-metallic chemical element belonging to the Group VIa of the periodic table; symbol S; atomic number and weight 16, 32.06; melting at or about 112.8°C (rhombic), 119.0°C (monoclinic), 120°C (amorphous); boiling at or about 444.61 °C; specific gravity 2.07 (rhombic), 1.957 (monoclinic), 1.92 (amorphous) at 20 C; valence -2 (sulfide, S 2- ), +4 (sulfite, SO 3 2- ), and +6 (sulfate, SO 4 2- ).
text: Now foods do not contain sulfur (symbol S) in its elemental form.