Elements and Oxides

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  • Created by: Eesha Dev
  • Created on: 27-06-15 18:25


Elements are substances made up of the same type of atom and cannot be brokn down into anything simpler. All substances are made up of tiny atoms. The periodic table is a tabular display of the chemical elements. The elements are presented in increasing atomic number.

First 20 Elements

  • Hydrogen
  • Helium
  • Lithium
  • Berylium
  • Boron
  • Carbon
  • Nitrogen
  • Oxygen
  • Flourine
  • Neon
  • Sodium
  • Magnesium
  • Aluminium
  • Silicon
  • Phosphorus
  • Sulphur
  • Chlorine
  • Argon
  • Potassium
  • Calcium


A mixture contains more than one type of atom but the elements are joined together. Mixtures are physical changes and therefore they can be separated. Elements in the mixture retain their properties and there are physical methods of separating them.


A compound is made from different elements joined together in a chemical reaction. Once the atoms are chemically joined, it cannot be split/separated by physical methods. The properties of a compound differ from those of the elements it is made of. You can write word equations to show…


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