Chemistry Key Word Definitions (D) 0.0 / 5 ? ChemistryChemistry Key Word Definitions (D)GCSEAQA Created by: Atlanta and JacobCreated on: 13-02-16 14:24 A delocalised electron is...? A bonding electron that is no longer associated with any one particular atom. 1 of 5 Displace is...? When one element takes the place of another in a compound. For example, iron + copper sulfate / iron sulphate + copper 2 of 5 What is distillation? Separation of a liquid from a mixture by evaporation followed by condensation. 3 of 5 What is a dot and cross diagram? A drawing to show the arrangement of the outer shell electrons only of the atoms or ions in a substance. 4 of 5 What is a double bond? A covalent bond made by the sharing of two pairs of electrons. 5 of 5
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