Basic chemistry help for students and teachers


Interactive Chemistry Worksheets for Students


Periodic table

Naming compounds

Basic formula

Simple compounds

Ionic compounds 1

Ionic compounds 2

Chemical suffixes

Old chemical names

Hydrocarbons - Alkanes

Alkanes, alkenes & alkynes

Alkanols to alkanoic acids


Common compounds

Common formula quiz

Acids, bases and salts

Covalent compounds

Printable worksheets


Ammonia is a colorless gas which has a strong irritating and very alkaline in nature. Ammonia is used in industry as a refrigerant and in the manufacture of fertilizers such as ammonium nitrate and ammonium sulfate. Domestically, ammonia is widely used as a cleaning agent.

The chemical formula for ammonia molecule is NH3

One nitrogen atom is covalently bonded to three hydrogen atoms.

Ammonia is extremely soluble is water and produces ammonium hydroxide

NH3(g) + H2O(l) ==> NH4OH(aq)

The molecular mass or molar mass of ammonia is 17.0306 g/mol