Module C4 4.0 / 5 based on 1 rating ? ChemistryGCSEOCR Created by: JessCreated on: 11-01-13 09:57 Particle with a neutral charge Neutron 1 of 23 Something that moves around the nucleus in shells Electrons 2 of 23 Different forms of the same elements Isotopes 3 of 23 How many electrons fit in the 3rd shell? Eight 4 of 23 Bonding which shares electrons Covalent 5 of 23 Group 1 metals Alkali 6 of 23 Group 7 Elements Halogens 7 of 23 Loss of electrons Oxidation 8 of 23 Metals are... Malleable 9 of 23 Metals which have a disapearing resistance Superconductors 10 of 23 Metals in the middle of the periodic table Transition metals 11 of 23 Breaking down an a substance with heat Thermal decompisition 12 of 23 A solid which forms in solution Precipitate 13 of 23 First step of water purification Filtration 14 of 23 Second step of water purification Sedimentation 15 of 23 Third step of water purification Chlorination 16 of 23 Example of a tap water impurity Lead compounds 17 of 23 Test for Sulfate Ions using... Barium Chloride 18 of 23 Test for Halide Ions using... Silver nitrate 19 of 23 Chloride Ions form what colour precipitate... White 20 of 23 Bromide Ions form what colour precipitate... Cream 21 of 23 Iodide Ions form what colour precipitate... Yellow 22 of 23 The Atomic number refers to the number of... Protons 23 of 23
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