Definitions of Element, Mixture and Compound
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Element

Pure substances, made up of atoms with the same number of protons.

Mixtures

Mixture of pure substances. Mixtures have the properties of the different substances that make it up. Melt at a range of temperatures and are easy to separate.

Compounds

Pure substances made up more more than 1 compound which have been joined together by a chemical reaction therefore the atoms are difficult to separate. The properties of a compound are different from the atoms that make it up.

Other Notes in this Category

1. Acids and Bases
2. Aqueous Chemistry
3. Chlorine
4. Definitions of Element, Mixture and Compound
5. Definitions of Relative Atomic Mass, Isotope, Atomic No.
6. Forumlae for Nuffield Physics
7. Radiation: properties of different types of radiation

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