Metals
Properties of Metals Physical Properties they are malleable -can be bent and beaten into different shapes they can
Electrochemistry
Electrolysis It is the breakdown of an electrolyte- ionic compound, molten or aqueous solution- by passing an electric
The reactivity series
The reactivity series is based on the reaction of metals with water or dilute hydrochloric acid. A metal
Stoichiometry
Formulae To write the formula of a compound, you have to know the valencies of the elements in
Atoms, elements & compounds
Atomic Structure and the Periodic Table Atomic structure Atoms are made up of sub-atomic – protons, neutrons and
Group VII Elements
Group VII elements(also called the ‘halogens‘) are p-block elements with a characteristic outer shell configuration of ns²np⁵. Physical
Reaction Kinetics
Reaction Kinetics Rate of reaction is the change in concentration of products/reactants per unit time R = Unit:
Nitrogen and its compounds
Lack of Reactivity of Nitrogen Nitrogen molecule has three strong covalent bonds Bond is very strong and requires
Biological Molecules
Testing for Biological Molecules Benedict’s test for reducing sugars Equal volume of sample being tested, and Benedict’s solution