Combustion of natural gas

The burning of methane as a chemical reaction.

Conservation of mass in chemical reactions

The concept of conservation of mass in chemical reaction using two examples.

Covalent bonding and the periodic table

An introduction to covalent bonding, focussed on the periodic table.

Ionic compounds and the periodic table

An introduction to ionic bonding, focusing on the periodic table.

Reactivity of group 1 and 7 elements

Explanation of the patterns of reactivity in group 1 and 7 elements in the periodic table.