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

True or false 99.999999999% of the atom is empty space?
Define
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
Ammonia
Chloroethane






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
molecular
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













Chemical
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



3…

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Page 5

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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,
concentrations
(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
solution.





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
Hydrochloric

Sulfuric

Nitric

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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