IB Chemistry SL 1.1.1 Elements, Compounds and Mixtures

Practise distinguishing elements, compounds and mixtures from particle composition, bonding and whether a substance can be chemically decomposed. For mixtures, decide whether the…

Syllabus
First assessment 2025
Objective
1.1.1
Level
SL

Exam points

  • contrast elements and compounds using atom types, fixed ratios and chemical decomposition
  • select a separation method from differences in magnetism, solubility or boiling point
  • sequence magnetic removal, dissolving, filtration and evaporation to recover pure solids

1.1.1—Elements, compounds, and mixtures question 1

[Maximum number: 2]

Iron(II) sulfide can be produced by heating powdered iron and sulfur together.

Describe the difference between an element and a compound.

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