-
inorganic:material,
-
inorganic:salt,
-
solid:substrate,
-
active:salt,
-
reactive:material,
-
reactive:compound,
-
insoluble:material,
-
insoluble:compound,
-
inorganic:compound,
-
catalytic:substance,
-
conductive:mineral,
-
foreign:matter,
-
luminescent:material,
-
metal:compound,
-
insoluble:salt,
Category Nuances for metal_sulfide:
-
inorganic,
-
foreign,
-
insoluble,
-
conductive,
-
catalytic,
-
active,
-
solid,
-
reactive,
-
luminescent,
-
metal,
Simple Categories for metal_sulfide: