Checking progress account…
Opening your study space…
Checking progress account…
Opening your study space…
Chapter overview
Study Elements, Compounds and Mixtures through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
7190 MCQs and 5536 written prompts are ready for focused chapter work.
Topics
4
Recall
12
Cards
24
Topic 1
A symbol stands for one element; a formula shows composition.
Topic 2
Mixtures can usually be separated by physical methods; compounds need chemical methods.
Topic 3
Separation method depends on the properties of the components.
Topic 4
Chromatography separates components based on different movement through paper with a solvent.
Chapter pack
Topic list
Topic 1
Symbols represent elements, while formulae show the elements and numbers of atoms in compounds or molecules.
Topic 2
Mixtures are physical combinations with variable composition. Compounds are chemical combinations with fixed composition and new properties.
Topic 3
Mixtures may be homogeneous or heterogeneous and can be separated using suitable physical techniques.
Topic 4
Paper chromatography separates dissolved coloured substances because they travel different distances with a solvent.
Chapter navigation