Ionic compounds
Molecular compounds
Chemical equation writing
Chemical equation balancing
100

Sodium Chloride 

NaCl

100
Water

H₂O

100

Sodium + Chlorine → Sodium chloride

2Na+Cl2→2NaCl

100

Balance H2+O2→H2O

2H2+O2→2H2O

200

Calcium Chloride

CaCl

200

Carbon dioxide

CO₂

200

Magnesium + Oxygen → Magnesium oxide

2Mg+O2→2MgO

200

Balance Fe+O2→Fe2O3

4Fe+3O2→2Fe2O3

300

Potassium Chloride

KCl

300

Nitrogen Oxide

NO

300

Methane + Oxygen → Carbon dioxide + Water

CH4+2O2→CO2+2H2O

300

Balance C3H8+O2→CO2+H2O

C3H8+5O2→3CO2+4H2O

400

Magnesium Oxide

MgO

400

Phosphine

PH3

400

Balance Zn+HCl→ZnCl2+H2

Zn+2HCl→ZnCl2+H2

500

Potassium Bromide

KBr

500

Hydrogen Sulfide 

H2S

500

Balance Al+HCl→AlCl3+H2

2Al+6HCl→2AlCl3+3H2

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