Chemistry notes: form 1 to 4

The application contains the following topics

-Introduction to chemistry

-classification of substances

-chlorine

-Acid,bases and indicators

-metals

-Atomic structure

-chemical bonding

-carbon

-salts

-Gas laws

-oxides and nitrogen

-Energy in chemistry

-rates

-water

-Electrolysis

-atmosphere

-Radioactivity

-organic chemistry

-revision task