A chemical reaction is a process in which substances called reactants are changed to produce new substances known as products.
Reactant A + Reactant B --> Product C + Product D
When chemical reactions take place between matter, new substances are formed.
Changes which take place in matter during chemical reactions are due to the arrangement of atoms and molecules.
No atoms are created or destroyed during chemical reactions, they simply rearrange themselves to form new substances.
A word equation is used to represent chemical reaction.
Carbon + Oxygen --> Carbon dioxide
C + O2 --> CO2
chemical reaction can only occur between particles when they collide (hit each
faster the particles are going, the more energy they have.