UNIT 1 Module 3 The Periodic Table 0.0 / 5 ? ChemistryThe Periodic TableASOCR Created by: SophieRogersCreated on: 10-01-15 15:11 Period A horizontal row of elements in the Periodic Table. Elements show trends in properties across a period 1 of 6 Periodicity A repeating pattern across different periods 2 of 6 Thermal Decomposition The breaking up of a chemical substance with heat into at least two chemical substances 3 of 6 Displacement Reaction A reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions 4 of 6 Disproportionation The oxidation and reduction of the same element in a redox reaction 5 of 6 Precipitation reaction The formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together 6 of 6
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