1. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 1 Elements, mixtures and compounds
© Hodder & Stoughton 2017

2. 1 The nature of substances and chemical reactions Learning outcomes
Define ‘element’
Define ‘compound’
Define ‘mixture’
Recognise elements, compounds and mixtures from particle diagrams
Know that atoms are made of protons, neutrons and electrons
Calculate the number of protons, neutrons and electrons from mass number and atomic number
© Hodder & Stoughton 2017

3. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 2 Ionic formulae
© Hodder & Stoughton 2017

4. 1 The nature of substances and chemical reactions Learning outcomes
Know that metals lose electrons
Know that non-metals gain electrons
Link group number to ionic charge
Know that ionic compounds have a charge of zero overall
Count atoms in a chemical formula
Work out the formula of an ionic compound from given ions
© Hodder & Stoughton 2017

5. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 3 Relative formula mass
© Hodder & Stoughton 2017

6. 1 The nature of substances and chemical reactions Learning outcomes
Count the atoms and in chemical formula
Define ‘relative atomic mass’
Calculate the formula mass from relative atomic masses
Calculate the percentage of an element by mass in chemical formula
© Hodder & Stoughton 2017

7. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 4 Separating mixtures
© Hodder & Stoughton 2017

8. 1 The nature of substances and chemical reactions Learning outcomes
Define ‘mixture’
Give examples of mixtures in every day life
Define ‘solute’, ‘solvent’, ‘solution’
Know that mixtures can be separated by distillation, chromatography, filtration and evaporation
Select an appropriate separation technique for a given mixture
Describe how to carry out chromatography
Give uses of chromatography in real life
Produce and interpret a chromatogram
Calculate Rf values
© Hodder & Stoughton 2017

9. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 5 Balancing equations
© Hodder & Stoughton 2017

10. 1 The nature of substances and chemical reactions Learning outcomes
State the law of conservation of mass
Write word equations
Balance a chemical equation
© Hodder & Stoughton 2017

11. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 6 Chemical or physical change
© Hodder & Stoughton 2017

12. 1 The nature of substances and chemical reactions Learning outcomes
Know that physical changes are reversible
Know that chemical changes are irreversible
Know that a chemical change is indicated by a change in temperature or colour
Know that during a chemical change a sound or gas can be produced
Observe a range of processes and identify those that are chemical changes
© Hodder & Stoughton 2017

13. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 7 Reacting mass calculations
© Hodder & Stoughton 2017

14. 1 The nature of substances and chemical reactions Learning outcomes
State the law of conservation of mass
Calculate formula masses from atomic masses
Use a balanced equation and the relative molecular masses to work out the mass of reactants or products
Calculate the percentage yield
© Hodder & Stoughton 2017

15. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 8 Empirical formulae
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16. 1 The nature of substances and chemical reactions Learning outcomes
Define ‘molecular formula’
Define ‘empirical formula’
Calculate the molecular formula from the empirical formula and mass number
Calculate the empirical formula from mass or percentage data
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17. Unit 1 Chemical substances, reactions and essential resources
1 The nature of substances and chemical reactions
Learning outcomes
Unit 1 Chemical substances, reactions and essential resources
Lesson 9 Mole triangle
© Hodder & Stoughton 2017

18. 1 The nature of substances and chemical reactions Learning outcomes
Define ‘mole’
Use the Avogadro constant and moles to work out the number of atoms and molecules
Calculate the number of moles from mass and formula mass
Calculate the mass from moles and formula mass
Calculate the formula mass from moles and mass
© Hodder & Stoughton 2017