Unit 1 Learning Outcomes
- 1. Unit 1 Introducing Chemistry
- 2. 1.1 Chemical Changes What is a chemical reaction ? What is a precipitate ? What is effervescence ? What is exothermic/endothermic? What are 5 ways of telling a chemical reaction has occurred? What are atoms and an element in terms of atoms?
- 3. 1.1 Chemical Changes How are capital and small letters used in writing symbols? Why do some elements have strange symbols? E.g. Copper is Cu, silver is Ag. What is an element ? What is a period and a group in the periodic table?
- 4. 1.2 Reaction rates What is the units of temperature? How does changing the following effect the speed of a chemical reaction? 1. Temperature 2. Concentration 3. Particle Size
- 5. 1.2 Reaction rates What is M a measure of when using solutions? What is a compound ? (in terms of elements and atoms ) What is the ‘ ide ’ rule when naming compounds? What is a mixture ?
- 6. 1.3 Dissolving Compounds What is the meaning of: 1. Soluble 2. Insoluble 3. Solution How can a data book be used to determine if a substance is soluble? What is a molecule ?
- 7. 1.3 Valency What is the valency of an atom? How are valency cards used? What is the maximum valency normally allowed for atoms?
- 8. 1.4 Separating Methods What are the following methods of separation used to separate: 1. Filtration 2. Distillation 3. Flotation What is the meaning of the following: 1. Filtrate 2. Residue 3. Distillate
- 9. 1.4 Separating Methods What is a formula? How are formulae written? How can the valency of an element be determined? How are valency pictures drawn and used to determine formulae?
- 10. 1.5 Testing Properties What are the properties of a substance? How are the following tests carried out on a gas: 1. Burning splint test 2. Glowing splint test 3. Limewater test
- 11. 1.5 Testing Properties What is the test for carbon dioxide and describe its properties ? What does the word state mean in Chemistry? How are flame tests carried out? How can a data book be used to find flame colours?
- 12. 1.5 Chemical Code What is the ‘ ate ’ rule for compounds? How can the Periodic Table be used to draw the valency picture for compounds? When and how are brackets used in a formula? How would the valency of a group ion be determined?
- 13. 1.7 Roman Numbers In a compound’s name, what do Roman Numbers tell you? Why are Roman numbers sometimes required? What are prefixes? What do they tell you about a compound?
- 14. 1.8 Researching Names What are the chemical names of some substances: 1. Marble 2. Chalk 3. Magnesia 4. Common salt 5. Epsom salt