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Chemistry C2 Module
Facts to learn

Topic 1: Structure and Bonding
1. Atoms have a small central nucleus made up of protons and neutrons around which
there are electrons.
2. The relative electrical charges are Proton +1, Neutron 0, Electron -1
3. In an atom, the number of electrons is…

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delocalised and so free to move through the whole structure. The attraction between
the positive ions and the delocalised electrons between is a metallic bond.

Topic 2: Structures and Properties
23. Ionic compounds have regular structures (giant ionic lattices) in which there are
strong electrostatic forces in all directions between…

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go to completion because it is reversible or some of the product may be lost when it
is separated from the reaction mixture or some of the reactants may react in ways
different to expected reaction.
32. The amount of product obtained is known as the yield. When compared with…

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45. Concentrations of solutions are given in moles per cubic decimetre. Equal volumes
of solutions of the same molar concentration contain the same number of moles of
solute, i.e. the same number of particles.
46. Equal volumes of gases at the same temperature and pressure contain the same
number of…

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64. Soluble salts can be made from acids by reacting them with alkalis, an indicator can
be used to show when the acid and alkali have completely reacted to produce a salt
solution.
65. Hydrochloric acid produces chlorides, Nitric acid produces nitrates, Sulfuric acid
produces sulfates
66. Salt solutions can…

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