Water: H2O
Carbon dioxide: CO2
Carbon monoxide: CO
Oxygen gas: O2
Hydrogen gas: H2
Nitrogen gas: N2
Ozone: O3
Table salt (sodium chloride): NaCl
Hydrogen peroxide: H2O2
Methane: CH4
Ethane: C2H6
Propane: C3H8
Butane: C4H10
Ethanol: C2H5OH
Glucose: C6H12O6
Sucrose (table sugar): C12H22O11
Ammonia: NH3
Ammonium ion: NH4+
Hydrochloric acid: HCl
Sulfuric acid: H2SO4
Nitric acid: HNO3
Acetic acid: CH3COOH
Carbonic acid: H2CO3
Phosphoric acid: H3PO4
Sodium hydroxide: NaOH
Potassium hydroxide: KOH
Calcium hydroxide: Ca(OH)2
Calcium carbonate (limestone, chalk): CaCO3
Sodium bicarbonate (baking soda): NaHCO3
Sodium carbonate (washing soda): Na2CO3
Calcium oxide (quicklime): CaO
Magnesium oxide: MgO
Iron(III) oxide (rust): Fe2O3
Aluminum oxide: Al2O3
Silicon dioxide (quartz, sand): SiO2
Sulfur dioxide: SO2
Nitrogen dioxide: NO2
Nitrous oxide (laughing gas): N2O
Sodium nitrate: NaNO3
Potassium chloride: KCl
Calcium chloride: CaCl2
Magnesium sulfate (Epsom salt): MgSO4
Copper sulfate: CuSO4
Silver nitrate: AgNO3
Potassium permanganate: KMnO4
Sodium hypochlorite (bleach): NaOCl
Calcium sulfate (gypsum): CaSO4
Zinc oxide: ZnO
Hydrogen sulfide: H2S
Hydrogen fluoride: HF
Lithium fluoride: LiF
Potassium iodide: KI
Titanium dioxide: TiO2
Acetylene: C2H2
Ethylene: C2H4
Benzene: C6H6
Urea: CH4N2O or (NH2)2CO
Sulfate ion: SO4 2-
Nitrate ion: NO3-
Carbonate ion: CO3 2-
Hydroxide ion: OH-
Phosphate ion: PO4 3-

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