| 1 |
Calculations
involving concentrations of solutions. |
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| 2 |
The classification
of elements into s, p and d blocks. |
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| 3 |
The electronic
configuration of atoms from hydrogen to krypton in terms of main energy
levels and s, p and d atomic orbitals. |
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| 4 |
The following
physical properties of the halogens: appearance (including state) at
room temperature, volatility, solubility in water and in organic
solvents. |
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| 5 |
Assigning oxidation
states to the elements in a compound and the use of oxidation states to
decide which species have been oxidised and which reduced in a redox
reaction. |
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| 6 |
Redox reactions of
s- and p-block elements in terms of electron transfer, using
half-equations to represent the oxidation and reduction reactions. |
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| 7 |
The redox changes
which take place when chlorine, bromine and iodine react with other
halide ions and the relative reactivity of the halogens. |
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| 8 |
The redox changes
occurring in the extraction of bromine from sea water (Storyline M1;
Activity M1.2). |
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| 9 |
The reaction
between halide ions and silver ions. |
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| 10 |
How a
hazardous substance like bromine is handled and transported (Storyline
M1; Activity M1.4). |
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| 11 |
The economic
importance of bromine and chlorine and their compounds (Storyline M1). |
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| 12 |
The structure of an
ionic lattice, eg sodium chloride. |
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| 13 |
Writing ionic
equations to represent precipitation reactions and other reactions
involving ionic compounds. |
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| 14 |
The hydration of
ions in aqueous solution. |
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| 15 |
The major stages in
the extraction of a pure metal from its ore (Storyline M2). |
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| 16 |
The environmental
implications of mineral extraction (Storyline M2). |
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| 17 |
Flow diagrams for
chemical processes (Storyline in general). |
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| 18 |
Recognising from
the balanced equation for a reaction whether it is an acid-base, a redox
or a precipitation reaction. |
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| 19 |
Identification of
the proton donor and proton acceptor in an acid base reaction. |
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| 20 |
The procedure for
carrying out an acid-alkali titration and how to work out the results (Activity
M2.4). |
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| 21 |
The procedure for
vacuum filtration (Activity M2.3). |
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| 22 |
Examples of giant
covalent (network) structures, such as diamond and silicon(IV) oxide (Activity
M2.6). |
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| 23 |
Interpreting
differences in the physical properties of CO2 and SiO2
in terms of their different structures (Activity M2.6). |
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