Chemistry Revision 0.0 / 5 ? ChemistryAtoms and compoundsGCSENone Created by: Tarzan555Created on: 22-05-17 18:52 Element A pure substance made up of only one type of atom 1 of 8 Isotopes Atoms of with the same number of protons but a different number of neutrons 2 of 8 Compound A substance containing different types of atom which are chemically joined 3 of 8 Molecule Two or more atoms that are covalently bonded 4 of 8 Covalent bond A shared pair of electrons 5 of 8 Ion A charged species formed from the loss/gain of electrons from atoms 6 of 8 Ionic Bond The electrostatic attraction between oppositely charged ions 7 of 8 Metallic Bond The attraction between sea of delocalised electrons and metal cations 8 of 8
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