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Revision
Hints
- Refer to the Overview at the beginning of your Workbooks. Go over the points that you should know.
- Write some notes that cover these points. (You will need to refer to your Workbook and your Text book ch 1.) Tick each box as you have revised each section.
- Go over revision exercises and the questions
in your activity booklet.
- Do
any revision sheets and practice tests - the more you do the
better you will know your work.
Note - the best preparation for
exams is to listen, take notes, and do exercises well in class
and to do your homework regularly and well. You should answer
each homework question as if it is an exam question. Consistent
work throughout the term will help you achieve well and reduce
the amount of study needed at the end of term. It will also
establish good study habits that will pay dividends in Year
12 results and university.
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Section 1.1 - Types of atoms, elements and the Periodic Table
You should know
- a definition for atom and element.
- A definition for atomic number and mass number.
- , ion, polyatomic ion,
ionic compound, ionic solution, and covalent molecule.
- Know and
understand the structure of the atom - where protons, neutrons
and electrons are located; which have the most mass; where most
of the mass is concentrated in the atom; the charges on the sub-atomic
particles; what the atom mostly consists of.
- Know
the maximum number of electrons in the first four energy levels
or shells.
- Know
what type of electron arrangement makes an atom stable and unreactive
and what arrangement makes an atom unstable and reactive.
- Be
able to draw Bohr shell models of atoms. (You will only
be expected to draw them from the first
twenty elements and would be given the mass number and atomic
number.)
- Be
able to draw Bohr shell models of the stable ions (ie.
if they form ions)
- Be
able to predict the charges on these ions.
- Be
able to recognise a relationship between the position in the periodic
table and the charge on the ion.
- Be
able to recognise and distinguish between an atom, an ion,
a polyatomic ion and a compound.
- Be
able to write chemical formulae for the ionic compounds
using the symbols for the ions and their charges in the tables
on page 123 and 126 or use page 47 in your booklet.
- Be
able to write the name of the ionic compound if you are
given its formula.
- Be
able to interpret data from an experiment similar to the flame
test and precipitation reactions
- Be able to
explain the arrangement of ions in a crystal lattice.
- Know some
properties of ionic compounds.
- Be able to
explain why ionic compounds have high melting points.
- Be
able to explain why some ionic compounds are soluble in water
but others are not.
- Be able to compare and contrast covalent bonds with ionic bonds.
- Be able to explain covalent bonding and give examples of covalent molecules.
- Be able to
explain what is meant by covalent bonding and give examples of
covalent molecules.
- Know some
properties of covalent compounds.
- Be able to
compare and contrast covalent and ionic bonding.
- Be able to
write the formulae of some covalent molecular substances.
- Be able to interpret the chemical formula of a compound - from the
formula know the elements present and the number of atoms of each
element present.
- Be
able to determine the ratio of ions from the formula of an ionic
compound.
Chapter
9 - Chemical Changes
- Understand
the meaning of the terms chemical change, chemical reaction,
reactants and products.
- Be able to define the terms element and compound.
- Be able to predict the products or missing components in some simple chemical reactions.
- Be
able to define the terms element, compound, precipitation.
- Be able to
list four factors that affect the speed of a chemical reaction.
- Be able to
distinguish between chemical and physical changes and identify
changes as either of these.
- Be able to
predict the expected changes on the speed of a reaction by changing
the surface area, concentration, temperature and adding a catalyst.
- Be able to interpret rate of reaction graphs.
- Be able to state the Law of constant Mass.
- Be able to
balance chemical equations.
- Be able
to write balanced chemical formula equations from a given word
equations.
- Be able to
complete precipitation reactions
Multiple Choice Revision Test
Short Answer Revision Test
Naming
Compounds
Year 9 Term 2 Work Program
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