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


The Periodic table list the known elements according to patterns. The elements were originally arranged according to increasing atomic weight and in groups of similar chemical and physical properties. It was later found that arranging the elements according to the number of protons in the nucleus or Atomic Number was more correct.