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CHEMISTRY FROM 2

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CHEMISTRY FROM 2

Chapter 4: States of matter

Change of state

Substances change state when they lose or gain heat. When matter changes state its composition remains the same.

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CHEMISTRY FROM 2

Chapter 1: Chemical symbols, Formulae and Valencies

Definitions DERIVING CHEMICAL FORMULAE Chemical reactions and Equations Balancing chemical equations THE LAW OF CONSERVATION OF MASS ACTION OF HEAT ON A SUBSTANCE REACTION OF SUBSTANCES WITH OXYGEN RUSTING OF IRON

Chapter 2: THE ATOM

The Dalton?s atomic theory Subatomic particles and their charges Masses of subatomic particles Arrangement of electrons in atoms ASSIGNMENT

Chapter 3: The PERIODIC TABLE

Definition The works of Dimitri Mendeleev The modern periodic table Groups of the periodic table Metals and Non-metals

Chapter 4: States of matter

Definition TYPES OF MATTER Change of state Pure substances Techniques of separation Experiment to purify sea water c) CHROMATOGRAPHY Criteria for purity

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