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Download Learning objectives C8.2 Chemical Reactions Reactivity of Metals
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Learning objectives C8.2 Chemical Reactions Reactivity of Metals Foundation Know that some metals will react with oxygen to form oxides Know that some metals will react with water to form hydrogen Know that some metals will react violently with water and some will not react at all Know that some metals will react with acids to form hydrogen Know that some metals will react violently with acids and some will not react at all Intermediate Be able to recognise that metals vary in their reactivity with oxygen Advanced Use the differences in reactions of metals with oxygen to place them in order of reactivity Be able to produce word equations to describe the reactions of metals and oxygen Be able to use symbol equations to describe the reactions of metals with oxygen Be able to recognise that metals vary in their reactivity with water Use the differences in reactions of metals with water to place them in order of reactivity Be able to produce word equations to describe the reactions of metals and water Be able to use symbol equations to describe the reactions of metals with water Be able to recognise that metals vary in their reactivity with acids Use the differences in reactions of metals with acids to place them in order of reactivity Be able to produce word equations to describe the reactions of metals and acids Be able to use symbol equations to describe the reactions of metals with acids Recognise that it is dangerous to try and react some metals with acids Know that a salt can be made when a metal reacts with an acid Know that a salt can be made when a relatively reactive metal and an acid are reacted. Know that the test for hydrogen is that it will burn with a squeaky pop . Know how to extract a sample of salt from the reaction between a metal and acid Be able to know a variety of methods of extracting a salt from reactions of acids Acid + metal Acid + metal oxide Acid + metal carbonate Acid + alkali Be able to produce word and symbol equations for these reactions and work out the name of the salt produced from the reactants used Foundation Understand that a more reactive metal will displace a less reactive metal from a solution of one of its salts Understand that some metals are more reactive than others and this allows us to place the metals in order of reactivity Understand that the reactivity of a metal affects what it’s uses are Intermediate Construct a table to show patterns clearly Describe displacement reactions using word equations Advanced Identify patterns in observations and use a model to explain these results Describe displacement reactions using symbol equations Be able to remember where common metals are found in the reactivity series Use a combination of reactions of metals to construct a reactivity series for metals Know that the reactivity of a metal is linked to when it was first used Be able to interpret where an unknown metal would be placed in the reactivity series based on its chemical reactions Understand that 2 different metals can be used to create an electrochemical cell using a type of fruit Understand that the reactivity of a metal is linked to the method by which it is extracted Understand that the value of the voltage cell depends on the difference in reactivity of the 2 metals used Know that the voltage of this cell changes when you use different combinations of metals Be able to plan and carry out an investigation to determine the factors that can affect the voltage of a fruit cell Be able to recognise all the variables that need to be controlled in an investigation to conduct a fair test Chemical reactions and the environment Foundation Intermediate Advanced Know that non metals such as carbon and sulphur will react with oxygen Know that non metals will react with oxygen to form acidic oxides Use word equations to describe these reactions Know that metals react with oxygen to form basic oxides but that non metals react with oxygen to form acidic oxides and be able to use symbol equations to describe these reactions Know that the non metal oxides, sulphur dioxide, carbon dioxide and nitrogen oxides are acidic Know the formula of carbon dioxide, sulphur dioxide and nitrogen oxides Understand the mechanism of how acid rain is produced Know that these oxides can cause a pollution problem caused “acid rain” Understand that global warming is linked to the amount of CO2 in the atmosphere Know some of the effects of global warming on the environment Know that these non metal oxides are soluble in water Explain some of the effects of acid rain on the environment Know that these non metal oxides form acid solutions when dissolved in and these cause acid rain Understand how the greenhouse effect works Understand why the level of CO2 in the atmosphere has increased in recent times due to burning of fossil fuels Know that there are other gases that can cause a greenhouse effect and contribute to global warming Understand the complexity of using data to provide evidence for suggesting scientific theories Understand that a number of different substances contribute to air pollution Know that burning fossil fuels contributes to air pollution Know some of the gases that are considered to be air pollutants: Carbon Monoxide, Particulates Nitrogen Oxides, Sulphur dioxide Understand some details about how some of these pollutants are created and what problems they cause in the environment Understand that Crude oil is an important resource that is needed to make a range of fuels and chemicals Know some uses of each fraction Know that plastics such as polythene are made from crude oil Understand that crude oil is not useful until it has been separated by fractional distillation Understand that each fraction includes molecules with a similar boiling point Be aware of uses of plastics and some pollution problems Understand the process of fractional distillation Explain why the fractions with lower boiling points make such good fuels Know the simple structure of plastics as polymers made from repeating units of monomers