Revision 0.0 / 5 ? ChemistryThe earth and its atmosphereGCSEEdexcel Created by: Phoebe357Created on: 22-02-19 01:06 A mixture of two or more elements, at least one of them is a metal. Alloy 1 of 10 The loss of electrons Oxidation 2 of 10 The gain of electrons Reduction 3 of 10 Causes substances to lose electrons Oxidizing agent 4 of 10 Loses electrons to other substances Reducing agent 5 of 10 There is 78% of this in the air. Nitrogen 6 of 10 There is 0.03% of this in the air Carbon Dioxide 7 of 10 This is a greenhouse gas Nitrous Oxide 8 of 10 The third most reactive metal in the reactivity series Calcium 9 of 10 The eight most reactive metal in the reactivity series Iron 10 of 10
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