ConceptConceptDocsDocuments

CAIE IGCSE Chemistry Mole Definition and Avogadro Constant

Practise defining the mole as an amount of substance containing 6.02 × 10²³ specified particles and naming this value as the Avogadro constant.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • state that one mole contains 6.02 × 10²³ specified atoms, ions or molecules
  • name 6.02 × 10²³ per mole as the Avogadro constant and identify the particle type

3.3.2—Mole, mol, is the unit of amount of question 1

[Maximum number: 1]

Sulfur is a Group VI element.

A sample of sulfur contains two isotopes, 32 S{ }^{32} \mathrm{~S} and 34 S{ }^{34} \mathrm{~S}.

State the name of the amount of substance which contains 6.02×10236.02 \times 10^{23} atoms.

All question bank results loaded