AQA Chemistry - C1 Summary questions for Chemistry. 3.5 / 5 based on 8 ratings ? ChemistryGCSEAll boards Created by: sajidarahmanCreated on: 08-04-12 22:42 Protons and __________ have the same number of atoms Electrons 1 of 12 Covalent bonding is .. The attraction between two atoms that share one or more pair of electrons 2 of 12 What is thermal decomposition? The breakdown of a compound by heating 3 of 12 What is the correct word equation for the reaction of calcium oxide with water? calcium oxide + water → calcium hydroxide 4 of 12 What is a metal ore? A mixture of minerals from where it is economically vibal 5 of 12 What are the typical properties of 'transition metals'? Strong, good conductors of heat & electricity - can be bent and hammered to alter the shape 6 of 12 What are fractions? Liquids with different boiling ranges separated from a mixture of liquids 7 of 12 What could cause carbon monoxide? Incomplete combustion 8 of 12 What is the formula for alkanes? CnH2n+2 9 of 12 What are polymers? Large molecules made when monomers join together 10 of 12 Hydrogenated vegetable oils contain saturated fats. Are saturated fats harmful or not? Harmful 11 of 12 What was Miller-Urey experiment? What did they do? They used a mixture of water, ammonia, methane, and hydrogen and a high voltage spark to stimulate lightning 12 of 12
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