Chemistry
All 182 specification statements from the official Pearson Edexcel specification, as printed — filter by paper, unit or tier exactly as Pearson Edexcel assesses them.
Assessment homes come from the parsed Pearson specification (content summaries & assessment overviews). Hover a chip for the printed rule. Filters appear only where the qualification has that structure — a linear IGCSE has no unit scope, and only Maths A splits Foundation / Higher tiers.
a. States of matter
understand the interconversions between the three states of matter in terms of:
know what is meant by the terms:
b. Elements, compounds and mixtures
describe these experimental techniques for the separation of mixtures:
c. Atomic structure
d. The Periodic Table
understand how elements are arranged in the Periodic Table:
e. Chemical formulae, equations and calculations
write word equations and balanced chemical equations (including state symbols):
f. Ionic bonding
know the charges of these ions:
g. Covalent bonding
understand how to use dot-and-cross diagrams to represent covalent bonds in:
h. Metallic bonding
i. Electrolysis
a. Group 1 (alkali metals) – lithium, sodium and potassium
b. Group 7 (halogens) – chlorine, bromine and iodine
c. Gases in the atmosphere
d. Reactivity series
understand how metals can be arranged in a reactivity series based on their reactions with:
understand how metals can be arranged in a reactivity series based on their displacement reactions between:
understand how the rusting of iron may be prevented by:
understand the terms:
e. Extraction and uses of metals
f. Acids, alkalis and titrations
g. Acids, bases and salt preparations
know the general rules for predicting the solubility of ionic compounds in water:
h. Chemical tests
describe tests for these gases:
know the colours formed in flame tests for these cations:
describe tests for these cations:
describe tests for these anions:
a. Energetics
practical: investigate temperature changes accompanying some of the following types of change:
b. Rates of reaction
c. Reversible reactions and equilibria
know that the characteristics of a reaction at dynamic equilibrium are:
know the effect of changing either temperature or pressure on the position of equilibrium in a reversible reaction:
a. Introduction
b. Crude oil
c. Alkanes
d. Alkenes
e. Alcohols
know that ethanol can be oxidised by:
know that ethanol can be manufactured by:
f. Carboxylic acids
g. Esters
h. Synthetic polymers
explain problems in the disposal of addition polymers, including: