Chemistry 2.0 / 5 based on 1 rating ? ChemistryGCSEAQA Created by: SherinCreated on: 03-02-13 14:23 Compound is a substance that is made up two or more different elements 1 of 7 Molecular Formula Description of a compound or an element that uses symbols for atoms. 2 of 7 Molecule Is made up of 2 or more atoms 3 of 7 Covalent bond A shared pair of electrons 4 of 7 Ions An electircally charged atom or group of atoms. They are formed when atoms loose or gain electrons. 5 of 7 Electrons Negatively charged sub-atomic Particle found outside the nucleas of an atom, has a very small mass compared to protons or neutrons. 6 of 7 Delocalised Electrons An electron that is associated with a single atom or ONE covalent bond. 7 of 7
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