Flashcards
Elements, Compounds and Mixtures
Flashcards do conjunto (4)
- 1What is an element?An element is a substance that cannot be separated into anything simpler & contains only one type of atom.
- 2What is a compound?A compound is a substance that consists of two or more elements chemically combined. The amounts of each element are in fixed proportions. A compound can only be broken down by chemical means and not by physical methods.A compound has different properties to the element it contains.
- 3What is a mixture?A mixture can be separated into simpler substances by physical means. The amounts of these substances can be present in any proportion. The properties of a mixture are the same as those of the substances it contains.
- 4What are the methods of separating substances physically?filtration, evaporation, chromatography, magnets
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- GCSE Chemistry (Basic Concepts) FlashCards sobre Elements, Compounds and Mixtures, criado por Mia Frewin em 25-07-2017.
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- Mia Frewin
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