GCSE additional science: Chemistry Chemistry cards for final exam 2.0 / 5 based on 7 ratings ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEAll boards Created by: joel buckettCreated on: 23-05-12 09:25 Ionic bonding When a metal and non metal transfer electrons to become stable. Groups of these form ionic compounds. 1 of 2 Covalent bonding When two non metals share electrons. The outer shells cross over. 2 of 2
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