Assertion: symbol sb | /r/HasProperty | atomic
Facets:
Source sentences:
text: Antimony is a semi-metallic chemical element in Group Va of the periodic table; symbol Sb, atomic number 51; atomic mass 121.75; melting point ca 630.7 C; boiling point at 1,750 C; specific gravity 6.69 at 20 C; valence 0, +3, -3, or +5.; electronic config.
text: Antimony is a semi-metallic chemical element in Group Va of the periodic table; symbol Sb, atomic number 51; atomic mass 121.75; melting point ca 630.7 C; boiling point at 1,750 C; specific gravity 6.69 at 20 C; valence 0, +3, -3, or +5.; electronic config.