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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 © Hodder & Stoughton 2017

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 © Hodder & Stoughton 2017

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

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