Properties of substances – a short recap
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Rule
- Property of a substance
A property of a substance is something you can use to recognise a substance and to tell it from other substances, for example its colour, its smell, its hardness or its density.
You describe a substance with several properties together. One alone is often not enough, because many substances are, for example, white or odourless. Important for the next step: in a chemical reaction substances turn into other substances, and the new substances have different properties from the old ones.
Example
Describing copper
Copper is reddish and shiny and solid, odourless and conducts electric current well. That is why you recognise it by these properties together and use it for power cables.