National 5 – Prelim Study Guide
Contents
1. Instructions for effective revision.
2. Each topic with the mandatory statement from the SQA.
3. Helpful websites.
4. Chemical tests.
5. Bonding summary.
Download past
paper questions
from the school
website.
6. Past paper questions for calculations.
7. Extra table to collate what questions you’ve tried.
8. What’s after the prelim?
1.
Instructions for effective revision.
You should be comfortable with the mandatory statements & have organised your
classwork into key areas for effective revision to take place.
Read
Reading notes is more effective if a highlighter is used at the same time to
point out key ideas or statements. Making sure you have each key area
separate.
Re-process
Rewrite the key points for each key areas. Make a glossary for the key area.
Make a mind map, flash cards, etc. These notes can be added to once you
start using them.
Use
Your homework is an example of using classwork (go through your homework
and the feedback given). You could add to your reprocessed notes here. Can
you find any questions to try in the specimen paper? Try a test made by
yourself or a friend. Try quizzes on BBC bite size. Play a “name game” with
your glossary. Past papers are essential, use them.
2.
Each topic with the mandatory statement from the SQA
Metals
 Metallic bonding and resulting electrical conductivity.
 Balanced ionic equations for reactions of metals.




Balanced ionic equations for extraction of metals and reduction reactions.
Electrochemical cells including a non-metal electrode.
Reactions of metals — electrons flow, redox reaction, oxidation, reduction.
Fuel cells and rechargeable batteries.
Atomic structure and bonding related to properties of materials
 Nuclide notation. Isotopes and relative atomic mass.
 Ions.
 Ionic bonding.
 Covalent molecular, covalent network and ionic lattices.
 Physical properties of chemicals explained through bonding.
 Chemical and ionic formulae including group ions.
Nuclear chemistry
 Radiation process, alpha, beta and gamma radiation.
 Specific properties mass, charge and ability to penetrate different materials.
 Nuclear equations.
 Uses of radioactive isotopes.
 Half-life.
 Use of isotopes to date materials.
Rates of reaction
 Average rate of reaction calculated from graph to show change in rate of
reaction as reaction progresses.
Acids and bases
 Dissociation of water into hydrogen and hydroxide ions.
 pH is related to the concentration of hydrogen and hydroxide ions in pure
water, acids and alkalis.
 Neutralisation. Titrations.
Formulae and reaction quantities
 Balanced equations.
 Gram formula mass, calculations relating mass, volume of solutions,
concentration and moles
Fertilisers



The Haber process to produce ammonia.
Commercial production of nitrate fertilisers.
Percentage mass compositions of fertilisers.
These mandatory statements make up each key area & have been expanded during
classwork in your learning outcomes.
3.
Helpful websites
BBC bite size. http://www.bbc.co.uk/education/subjects/zmnp34j
RSC learn chemistry. http://www.rsc.org/learn-chemistry/
RSC periodic table. http://www.rsc.org/periodic-table
RSC Chemnet. http://my.rsc.org/chemnet/study
Crash course. Type crash course chemistry into You-tube
TWIG on glow (you will need your log-in) http://www.twigonglow.com/mind-map/#
4.
Chemical tests to learn and try
Substance
Oxygen
Hydrogen
Carbon dioxide
Ammonia
Acid, H+
Test
relights glowing splint
burns with a pop
turns limewater milky
is an alkaline gas (makes NH4+ OH-)
pH. paper red, below 7 on pH scale
Alkali, OHFe2+
Carbonate ion
Nitrogen group (amine)
Water
Calcium
Potassium
Sodium
Iodine
Ionic compound
Covalent compound
pH paper blue, above 7 on pH scale
Ferroxyl indicator blue
Add acid, CO2 released.
Add soda lime, heat, ammonia given off
boils at 100oC, freezes at 0oC
red flame
lilac flame
orange/yellow flame
turns brown to blue/black with starch
conducts when molten or in solution
does not conduct in any state (except
graphite)
positive benedict’s test, blue to orange.
turns iodine blue/black
decolourise bromine, brown to colourless
only non-metal solid conductor
covalent network so very high mpt and bpt
Glucose
Starch
Unsaturation
Graphite
Diamond
How could you tell the difference between?
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
5.
NaCl and NaOH (white solids)
CaCO3 and CaCl2 (white solids)
KCl and NaCl (white solids)
Graphite and coal (black solids)
NaCl (salt) and C12H22O11(sugar)
NH4Cl and NaCl
Wáter and hexane
NaCl and NaOH
BaSO4 and K2SO4
Propane and propene
Bonding to summarise
Draw images for the types of bonding you know.
Ionic
6.
Covalent Molecular
Covalent Network
Metallic
Past paper questions on calculations
Locate questions to try in the specimen National 5 paper or Intermediate 2 papers on
the SQA website. The following questions are from standard grade credit papers.
http://www.sqa.org.uk/sqa/2944.html
Type
Formula
Calcs from equation
mole
% composition
Unknown concentrations
Balancing equations
Past Paper & Question
2010 – 2c, 13c
2009 – 4c
2010 – 12e
2009 – 9c
2008 – 20a
2007 – 20
2009 – 16d
2008 – 14c
2007 - 20
2010 – 16a
2009 – 14b
2008 – 16a
2007 – 17c
2010 - 19
2010 – 14b
2009 -16b
2008 – 12b
2007 – 10c
Completed
7.
Extra table to collate what questions you’ve tried.
Use the table to find the relevant questions in the National 5 specimen paper.
Rates of reaction
Atomic structure and
bonding related to
properties of materials
Nuclear chemistry
Formula and reaction
quantities
Acids and bases
Metals
Fertilisers
How prepared do you feel? Have you got any questions you need to ask your teacher? Have you
tried anything not in this study for your revision that you found effective?
8.
What’s after the prelim?
Homologous series
 The study of cycloalkanes and branched chain alkanes and alkenes
(up to C8).
 To include their physical, chemical properties, general formulae, systematic
names, structural formulae, uses, reactions and isomers.
 Reactions — combustion and addition.
Everyday consumer products
 Uses of alcohols and carboxylic acids: to include their physical, chemical
properties.
 For straight chain alcohols and carboxylic acids (C1–C8) general formulae,
systematic naming, structural formulae.
 Manufacture of esters as a use of alcohols and carboxylic acids.
 Uses of esters.
Energy from fuels
 Energy calculations involving Eh = cmΔT
(There is no requirement to calculate enthalpy per mole.)
 Calculations based on balanced equations
Properties of plastics
 Addition and condensation polymerisation including Polythene, and
polyesters
 Representation of the structure of monomers and polymers.
 Natural polymers.
Chemical analysis

Techniques for monitoring the environment and methods for reducing
pollution and titration with calculations.
& the Assignment