Chemistry - Atoms, Formulae and Equations 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: Who.The.Hell.Is.BuckyCreated on: 18-05-18 16:58 What are elements made up of? Atoms that are all identical 1 of 7 How are compounds made (atomic explanation)? from atoms (or charged atoms) of different elements which have been chemically joined together 2 of 7 How are molecules formed? When two or more atoms join togeter by sharing electrons 3 of 7 Which two groups bond together in a fixed ratio of 1:1? Group 1 + Group 7 and Group 2 + Group 6 4 of 7 What ratio are elements in group 1 and group 6 bonded in? 2:1 5 of 7 What ratio are elements from group 2 and group 7 bonded in? 1:2 6 of 7 Balance the equation : Mg + O2 -> MgO 2Mg + O2 -> 2MgO 7 of 7
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