Distribute by classes – СuO, Mn2O7, N2O3, HNO3, H2SO3, H2S, Fe (OH) 2, NaOH, Al (OH) 3, Ca3 (PO4) 2, Znl2, Mg (NO2) 2

Oxides are complex substances consisting of two elements, one of which is oxygen.

CuO – copper (II) oxide;

Mn2O7 – manganese (VII) oxide;

N2O3 – nitric oxide (III);

Acids are complex substances consisting of hydrogen atoms and an acid residue.

HNO3 – nitric or nitric acid;

H2SO3 – carbonic or carbonic acid;

H2S – hydrogen sulfide or sulfide acid;

Bases are complex substances consisting of a metal atom and one or more hydroxyl groups.

Fe (OH) 2 – iron (II) hydroxide;

NaOH – sodium hydroxide;

Al (OH) 3 – aluminum hydroxide;

Salts are complex substances composed of metal atoms combined with acidic residues.

Ca3 (PO4) 2 – calcium orthophosphate;

Znl2 – zinc iodide;

Mg (NO2) 2 – magnesium nitrate