Chemistry quiz 1.0 / 5 based on 1 rating ? ChemistryGCSEAQA Created by: James O'BoyleCreated on: 03-06-13 14:32 What is a alkane? A mixture of hydrocarbons that is saturated 1 of 5 What is the differece between an alkane and an alkene? Alkenes are unsaturated, alkanes are saturated 2 of 5 How many electrons are in the outer shell of helium? 2 3 of 5 What is created when Calcium carbonate is heated? Calcium oxide 4 of 5 What group of the periodic table is argon in? 0 5 of 5
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