Vocabulary

tanning using chromium compounds (e.g. potassium dichromate)

chrome-vanadium steel

chromium molybdenum steel; chrome molybdenum steel

chromium oxide (esp. Cr2O3 and CrO3)

chromic anhydride (CrO3)

phytochrome

calcium cyanamide (CaCN2)

expiry date; date of expiry

calcium acetate (C4H6O4Ca)

calcium oxide (CaO)

calcium hydroxide (Ca(OH)2)

calcium carbide

calcium carbonate (CaCO3)

calcium fluoride (CaF2)

calcium sulfate (CaSO4) (sulphate)

calcium phosphate (Ca3(PO4)2)

potassium-argon dating

potassium bromide (KBr)

potassium hydroxide

potassium carbonate; potash

potassium ferricyanide (C6FeK3N6)

potassium ferrocyanide

potassium ferrocyanide

potassium iodide; KI

sulfur trioxide (SO3)

silicon steel

silicone resin

silicon tetrachloride (SiCl4)

carborundum (hard silicon carbide solid, used as an abrasive)

silicon carbide (SiC)

silicon nitride

aluminum oxide (Al2O3); aluminium oxide; alumina

aluminum sulfate (Al2(SO4)3); aluminium sulphate

magnesia

magnesium oxide (MgO); magnesia

magnesium carbonate (MgCO3)

magnesium sulfate; magnesium sulphate

sodium amalgam

water glass (sodium or potassium silicate solution); soluble glass

sodium silicate (Na2SiO3)