Chemical interactions

Write simple chemical formulae for ionic compounds when given electrovalencies.
Express chemical changes by balanced equations that show that the number of atoms of each element is conserved.
Use symbols to represent the physical states of reactants and products.
Know the meanings of the terms: chemical reaction, chemical equation, reactants, products and symbols of state (s), (l), (g), (aq).
Describe how the numbers of atoms do not change during a chemical reaction. The Law of Conservation of Mass.
Classify chemical reactions into types according to the changes that take place as reactants are converted to products.
Observe chemical reactions and accurately record experimental results.
Carry out reactions with regard to the appropriate safety considerations.
Use the mole concept to determine molar masses and perform simple calculations.
Know that reaction rates differ and can be changed by changing conditions.
Observe and explain the process of fractional distillation.
Describe the bonding, chemical reactions and usefulness to society of some simple compoungs of hydrogen, carbon and oxygen.
Know how to name simple hydrocarbon structures - alkanes, alkenes and alkynes.
Describe the principles of green chemistry and apply these principles in practical activities.

Chemical Reactions