Wednesday, 1 March 2017

CHAPTER 3 : CHEMICAL FORMULA AND EQUATIONS

Revision Notes
1. Relative Mass
    1. Relative Atomic Mass
    2. Relative Molecular Mass

2. Concept of Mole
    1. Number of Mole and Number of Particles
    2. Number of Mole of Atoms and Number of Mole of Molecules
    3. Number of Mole and Mass of a Substance
    4. Mass of Substance and Number of Particles
    5. Number of Mole and Volume of Gas
    6. Volume of Gas, Mass of Substance and Number of Particles

3. Chemical Formulae
    1. Empirical Formula
    2. Molecular Formula
    3. Percentage of Composition of a Compound
    4. Formula of Ions
    5. Chemical Formula of Ionic Compounds
    6. Formula of Molecules
4. Chemical Equations
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FORMULA OF IONS

Ionic compounds made up of positive ions and negative ions. To write the formula of an ionic compound, we need to know the symbol and char...

  • FORMULA OF IONS
    Ionic compounds made up of positive ions and negative ions. To write the formula of an ionic compound, we need to know the symbol and char...
  • RELATIVE MOLECULAR MASS
    The relative molecular mass (Mr) of an element is the average mass of one molecule of the element/compound when compared with   of the mass...
  • CHAPTER 3 : CHEMICAL FORMULA AND EQUATIONS
    Revision Notes 1. Relative Mass Relative Atomic Mass Relative Molecular Mass 2. Concept of Mole Number of Mole and Number of Parti...