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Chemistry (Elements, compounds and mixtures (1.8 Understand how to…
Chemistry
Elements, compounds and mixtures
1.8 Understand how to classify a substance as an element, compound or mixture
1.9 Understand that a pure substance has a fixed melting and boiling point, but that a mixture may melt or boil over a range of temperatures
1.10 Describe these experimental techniques for the separation of mixtures:
- Simple distillation
- Fractional distillation
- Filtration
- Crystallization
- Paper chromatography
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States of matter
1.1 Understand the 3 states of matter in terms of arrangement, movement and energy of particles
1.2 Understand the inter-conversions between the 3 states of matter in terms of
- The name of the inter-conversions
- How they are achieved
- The changes in arrangement, movement and energy of the particles
1.3 Understand how the results of experiments involving the dilution of colored solutions can be explained.
1.4 Know what is meant by the terms:
- Solvent
- Solute
- Solution
- Saturated Solution
Atomic Structure
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1.15 Know the structure of an atom in terms of the positions, relative masses and relative charges of sub-atomic particles
1.16 Know what is meant by the terms atomic number, mass number, isotopes and relative atomic mass (Ar)
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The Periodic table
1.18 Understand how elements are arranged in the Periodic Table:
- In order of atomic number
- In groups and periods
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