9 Periodic Table: Periodicity
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Candidates should be able to:
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9.1 Physical properties of elements of Period 2 and Period 3
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(a) Interpret and explain the trend and gradation
of atomic radius, melting point, boiling point,
enthalpy change of vaporisation and electrical
conductivity in terms of structure and bonding;
(b) Explain the factors influencing ionisation
energies;
(c) Explain the trend in ionisation energies across
Period 2 and Period 3 and down a group;
(d) Predict the electronic configuration and position of unknown elements in the Periodic Table from successive values of ionisation energies.
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9.2 Reactions of Period 3 elements with oxygen and water
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(a) Describe the reactions of Period 3 elements
with oxygen and water;
(b) Interpret the ability of elements to act as
oxidising and reducing agents.
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9.3 Acidic and basic properties of oxides and hydrolysis of oxides
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(a) Explain the acidic and basic properties of the
oxides of Period 3 elements;
(b) Describe the reactions of the oxides of Period
3 elements with water;
(c) Describe the classification of the oxides of
Period 3 elements as basic, amphoteric or
acidic based on their reactions with water, acid
and alkali;
(d) Describe the use
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Very effective notes, thanks for sharing!
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