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1 Atomic Structure and Isotopes
1.1.1 Atoms
structure Complete the table
Particle Relative Charge Relative mass Where is it found
in the atom?

True or false 99.999999999% of the atom is empty space?
Atomic Number

Mass Number

(d) deduce the numbers of protons, neutrons and…

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Calcium Carbonate
Ammonium Nitrate
What is the Relative Molecular Mass of

2 Moles and Equations

The mole Define amount of substance,

Define mole (symbol `mol'),

Define Avogadro's constant, NA,

Define Molar mass

Empirical and Define Empirical Formula
formulae What is the empirical formula of C12H48O6?

If a…

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Determine the molecular formula of a compound made of C 40%, O 53.3% and H 6.7% with Mr 180

equations Write equations with state symbols for the following reactions
1 Solid calcium carbonate reacts with a dilute solution of Hydrochloric Acid

2 Zinc metal reacting with copper(II) sulphate


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Calculation of (f) carry out calculations, for reactants and products of chemical equations using amount of
reacting substance in mol, involving:
masses, mole (i) mass,
(ii) gas volume,
(iii) solution volume and concentration
and volumes of

gases Using the six equations above calculate
1) the volume of 0.1M Hydrochloric…

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(h) use the terms concentrated and dilute as qualitative descriptions for the concentration of a

Acids, Bases and Salts

What does an acid release in aqueous solution?
What is the definition of an acid?

Write equations to show how these acids dissociate in water



What is…

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What is the definition of a salt?

Write Equations, include state symbols, for
Calcium Carbonate plus Hydrochloric Acid ­ what will you observe?

Copper Oxide plus Nitric Acid ­ what will you observe?

Sulfuric acid plus sodium hydroxide ­ what will you observe?

Write out these ionic equations:
Hydroxide ion…

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2. Molecules add up to zero
If hydrogen has an oxidation number of +1, what is the Ox no of Carbon in CH4?
3. Oxidation numbers add up to the charge of the ion
What is the Ox no of iron in Fe3+? Fe2+?
4. Assign in Order of priority…

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4. Sodium Chlorate(V)
5. Potassium Manganate(VII)
6. Sodium Chromate(VI)
7. Potassium Dichromate(VI)

Write an ionic equation to describe Magnesium losing 2 electrons to form a magnesium ion

Has magnesium been oxidised or reduced?
What is the change in Oxidation Numbers?

Write an ionic equation to describe Bromine gaining an electron…

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