Matter

Luke Sewell
Mind Map by Luke Sewell, updated more than 1 year ago
Luke Sewell
Created by Luke Sewell about 5 years ago
79
2

Description

Elements, Compounds and Mixtures
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Resource summary

Matter
1 Mixtures

Annotations:

  • Consists of two or more substances mingled together, but not chemically combined
1.1 Properties

Annotations:

  • Made up of two or more substances
  • Amounts of substances in a mixture can vary
  • Usually easy to separate the substances in a mixture
  • Properties of a mixture are similar to those of the substances in the mixture
  • Very little heat change when a mixture is made
2 Pure Substances

Annotations:

  • Matter with a specific composition and properties
2.1 Elements

Annotations:

  • A substance made up of only one type of atom
2.2 Compounds

Annotations:

  • Consist of two or more elements chemically combined
2.2.1 Properties

Annotations:

  • Properties of a compound are different to those of the elements it contains
  • Made up of a single substance
  • Elements in a compound are always in fixed ratio
  • Difficult to separate the elements of a compound
  • There is usually a heat change when a compound is formed
3 Molecules

Annotations:

  • The smallest part of an element or compound that can exist on its own
4 Compare mixture to compound
4.1 Iron and Sulphur mixture

Annotations:

  • Yellow colour with grey granules
  • Magnetic
4.2 Iron Sulphide compound

Annotations:

  • Dark grey colour
  • Non-magnetic
  • Formed by heating Iron and Sulphur mixture
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