NATIONAL 5 CHEMISTRY UNIT 1 – CHEMICAL CHANGES AND STRUCTURE I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this Key area: Rates of reaction 1.1 I can state the factors that can affect the rate of a chemical reaction 1.2 I can calculate the average rate of a reaction using information from a graph 1.3 How well can you do this? ? ? I can interpret graphs showing loss of mass/volume of gas produced e.g. time for ? half the volume to be produced or time reaction stopped. Key area: Atomic Structure and Bonding Related to Properties 1.4 I can state the mass, charge and location of sub-atomic particles 1.5 I can convert information about atomic number and mass number into numbers of protons, neutrons and electrons in an atom I can represent information about numbers of protons and neutrons in an atom/ ion in the form of nuclide notation I can distinguish between an atom and an ion by comparing the number of protons to the number of electrons I can state that isotopes are atoms with the same atomic number but different mass number I can explain that the relative atomic mass of an element is an average mass of all the isotopes present taking into account their relative proportions I can explain that the Noble Gases are un-reactive because they have a stable electron arrangement I can state that atoms can achieve stable electron arrangement by losing, gaining or sharing outer shell electrons I can state that atoms sharing outer shell electrons form covalent bonds 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.15 I can explain how the atoms in a covalent bond are held together by the attraction of each positive nucleus for the shared pair of electrons I can construct diagrams showing atoms sharing outer shell electrons forming single/ double or triple covalent bonds I can describe the shapes of simple 2-element compounds 1.16 I can give examples of diatomic elements 1.17 I can give examples of discrete covalent molecular and covalent network substances I can state that discrete covalent molecules have low m.pts. & b.pts. as only weak forces of attraction between the molecules are broken I can explain that covalent network molecules have very high m.pts. because many strong covalent bonds must be broken before they can melt I can state that covalent substances do not conduct electricity in any state e.g. (s), (l), (aq) I can explain how atoms form ions by gaining or losing electrons 1.14 1.18 1.19 1.20 1.21 1.22 1.23 I can state that ionic bonds are the electrostatic forces of attraction between oppositely charged ions I can state that an ionic crystal lattice is a 3-d structure composed of oppositely charged ions ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Review I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this 1.24 1.25 1.26 I can state that many strong ionic bonds must be broken when ionic compounds melt resulting in high melting points and boiling points I can state that when an ionic compound dissolves in water the ionic lattice breaks I can state that ionic compounds conduct electricity when molten or in solution because ions are free to move How well can you do this? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Key area: Formulae and reaction quantities 1.27 1.28 I can write chemical formulae using valency rules including ionic formula and group ions I can change word equations into formula equations and balance them 1.29 I can calculate the formula mass of a substance 1.30 I can state that the gram formula mass of a substance is called one mole 1.31 I can convert moles into mass and mass into moles 1.32 I can calculate the concentration of a solution from the number of moles and the volume I can state that the units of concentration are moles per litre (mol l-1) 1.33 1.34 I can calculate the mass of a solute needed to prepare a given concentration of solution Key area: Acids and alkalis 1.35 1.36 1.37 1.38 1.39 1.40 I can state that water dissociates into equal numbers of hydrogen and hydroxide ions I can state that pH is a measure of the hydrogen ion concentration I can state that in a neutral solution there are an equal number of H + and OHions I can state that a solution is acidic if it contains a higher concentration of H+ ions compared to OH- ions I can state that a solution is alkaline if it contains a higher concentration of OHions compared to H+ ions I can state that diluting an acid decreases H+ ion concentration I can state that diluting an alkali decreases OH- ion concentration 1.41 1.42 1.43 1.44 1.45 1.46 I can explain how soluble metal oxides & non-metal oxides affect the pH of water I can construct balanced formula equations for neutralisation reactions I can identify the spectator ions in neutralisation reactions and, by removing them, identify the reacting species I can state that an acid/alkali titration is an accurate analytical technique used to find the concentration of an unknown I can use experimental data to accurately calculate the end-point of a titration I can use experimental data from a titration to calculate the volume or concentration of a reacting solution Review NATIONAL 5 CHEMISTRY UNIT 2 – Nature’s Chemistry I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this Key area: Homologous series 2.1 2.2 2.3 I can state that a homologous series is a set of compounds that share the same general formula and have similar chemical properties I can identify the general formulae of alkanes, alkenes and cycloalkanes 2.5 I can state that alkenes are unsaturated hydrocarbons i.e. they contain a double C=C bond I can explain that alkanes & cycloalkanes are saturated - contain only single C-C bonds I can state that cycloalkane molecules are composed of carbon atoms in a ring 2.6 I can describe what happens during an addition reaction 2.7 I can state that the reaction of Bromine water with alkenes is an addition reaction 2.9 I can convert structural formula into shortened structural formula and molecular formula I can describe physical properties of hydrocarbons in relation to the size of molecule I can state that isomers have the same molecular formula but different structural formula I can give systematic names of branched chain molecules from their structural formula and convert them into shortened structural formula I can identify a variety of uses of hydrocarbon molecules including their use as fuels I can construct word and balanced formula equations representing the combustion of hydrocarbons 2.4 2.10 2.11 2.12 2.13 2.14 How well can you do this? ? ? ? ? ? ? ? ? ? ? ? ? ? Review I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this Key area: Everyday consumer products 2.15 I can identify molecules that contain an –OH functional group as alcohols 2.16 I can name straight chain alcohols derived from their parent alkane 2.17 2.18 I can convert the structural formula of straight-chain alcohols into molecular formula I can name isomers of straight chain alcohols 2.19 I can give examples of uses of alcohols 2.20 2.21 I can identify molecules that contain the –COOH functional group as carboxylic acids I can name carboxylic acids derived from their parent alkane 2.22 I can draw structural formula of carboxylic acids from their molecular formula 2.23 I can react an alcohol with a carboxylic acid to form an ester and water 2.24 2.26 I can identify the product of reaction between an alcohol and a carboxylic acid as an ester due to the pungent, often fruity smell I can identify esters by name as their name ends in –oate and is derived from the parent acid and alcohol I can give some of the physical and chemical properties of alcohols 2.27 I can suggest uses for esters based on their chemical and physical properties 2.25 How well can you do this? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Key area: Energy from fuels 2.28 I can state that a fuel is a substance that burns, giving out energy 2.29 I can describe a combustion reaction as exothermic 2.30 I can explain that the heat energy given out by a burning fuel can be calculated using the formula Eh = cmΔT I can use information from experiments to calculate the heat energy given out by different fuels I can construct balanced formula equations for combustion reactions and from these I can calculate quantities of reactants and products 2.31 2.32 Review NATIONAL 5 CHEMISTRY UNIT 3 – CHEMISTRY IN SOCIETY I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this How well can you do this? Key area: Metals 3.1 I can explain how metallic bonding allows metals to conduct electricity ? 3.2 I can construct balanced ionic equations based on the reactions of metals with water, oxygen and acids I can state that oxidation is the loss of electrons and reduction is the gain of electrons I can explain that oxidation and reduction reactions occur together and are termed redox reactions I can identify ion-electron equations as either reduction or oxidation reactions ? ? 3.10 I can explain how an electro-chemical cell using different metals or using a nonmetal electrode works and explain the purpose of the electrolyte/ion bridge I can state that electrons flow through the external wires and ions flow through solutions I can use the electrochemical series to predict the direction of current when different metals are connected in a cell I can use the electrochemical series to predict an increase/decrease in voltage produced when different combinations of metals are connected in a cell I can construct ion-electron equations based on electro-chemical cells 3.11 I can state that a lead-acid battery can be recharged ? 3.12 I can discuss some of the advantages of using a hydrogen fuel cell ? 3.13 I can explain why the extraction of a metal from its ore is termed a reduction reaction I can identify the reducing agent in the extraction of metals from balanced ionic equations I can show by calculation how to work out the percentage by mass of a metal in an ore ? 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.14 3.15 ? ? ? ? ? ? ? ? ? Review I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this Key area: Properties of plastics How well can you do this? 3.16 I can give examples of natural and synthetic polymers ? 3.17 I can state that addition polymers are made from unsaturated monomers joining together by opening the double carbon-carbon bonds I can represent an addition polymer and show how it is constructed from its constituent monomers Given a section of an addition polymer I can identify the repeating unit and from that I can construct the monomer I can state that condensation polymers are made from monomers with two functional groups at either end of the molecule I can state that condensation polymers join together by the removal of a small molecule, usually water I can identify the ester link within a polyester chain ? Given the structure of a polymer chain I can identify if it is an addition or condensation polymer and identify its constituent monomers I can give examples of novel polymers and discuss some of their properties eg Kevlar, polyethenol ? 3.18 3.19 3.20 3.21 3.22 3.23 3.24 ? ? ? ? ? ? Key area: Fertilisers 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 3.34 3.35 I can state that ammonia is a soluble gas that dissolves in water to produce an alkali I can explain why ammonia is difficult to produce by direct combination of nitrogen and hydrogen I can construct a balanced formula equation to show that the direct combination of nitrogen and hydrogen is a reversible reaction I can describe the industrial production of ammonia by the Haber Process ? I can state the conditions used in the Haber Process to maximise the yield of ammonia I can describe using balanced formula equations how ammonia can be used to make nitric acid I can describe using balanced formula equations how nitric acid can be used to make nitrate fertilisers I can state the importance of Nitrogen, Potassium and Phosphorus to plant growth ? I can calculate and compare the percentage by mass of N, P and K in different fertilisers I can state that growing populations require more food and relate this to increased use of synthetic fertilisers I can discuss the impact that synthetic fertilisers can have on the environment ? ? ? ? ? ? ? ? ? Review I am confident that I understand this and I can apply this to problems ? I have some understanding but I need to revise this some more I don’t know this or I need help with this Key area: Nuclear Chemistry How well can you do this? 3.36 I can state that if the nucleus of an atom is unstable then it can emit radiation ? 3.37 I can state the mass and charge of alpha, beta and gamma radiation and compare their ability to penetrate different materials I can construct nuclear equations representing radioactive decay ? I can state that the time taken for the mass of a particular radioisotope to decay is fixed and is termed ‘half-life’ I can explain how to use data about radioactive half-life/ carbon dating to calculate the age of an unknown sample I can give some uses of radioisotopes in industry and medicine ? 3.38 3.39 3.40 3.41 ? ? ? Key area: Chemical analysis 3.42 I can use the data booklet to select colours of flames ? 3.43 I can identify a precipitation reaction as a technique to remove solids from a system I can use information from titration experiments to calculate the concentration or volume of an unknown ? 3.44 ? Review