Question 1
Which row gives the relative charge and the relative mass of an electron?
IGCSE Chemistry, Core and Extended.
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12 topics, Core and Extended
Particles, atoms and bonding
Topics 1 and 2
Formulae, equations and moles
Topic 3
Electrochemistry and energy changes
Topics 4 and 5
Reactions, acids and salts
Topics 6 and 7
The Periodic Table, metals and the environment
Topics 8, 9 and 10
Organic chemistry and analysis
Topics 11 and 12
| Paper | Time | Weight |
|---|---|---|
| Paper 1 or Paper 2 | 45 minutes | 30% |
| Paper 3 or Paper 4 | 1 hour 15 minutes | 50% |
| Paper 5 or Paper 6 | 1 hour 15 or 1 hour | 20% |