GCSE Chemistry (Core) 3.5 / 5 based on 3 ratings ? ChemistryALLGCSEOCR Created by: compton51Created on: 04-04-16 20:45 Where is the nucleus found The middle of the atom 1 of 19 What charge do protons have positive 2 of 19 What charge do neutrons have Neutral 3 of 19 What is bioleaching Uses bacteria to seperate copper from copper sulfide 4 of 19 What is the symbol for Magnesium Mg 5 of 19 Element in the same group have The same number of electrons in the outer shell 6 of 19 What do electrons do Move around the nucleus 7 of 19 Electrons always occupy... Shells 8 of 19 Which element has the electron structure 2,8,8 Argon 9 of 19 What is a compound Two or more elements chemically bonded together 10 of 19 What is limestone made out of calcium carbonate 11 of 19 what is formed when limestone reacts with an acid calcium salt, carbon dioxide, water 12 of 19 calcium oxide+ water-----> Calcium Hydroxide 13 of 19 HOW IS CEMENT FORMED LIMESTONE AND POWDERED CLAY 14 of 19 HOW IS MORTAR FORMED CEMENT, SAND AND WATER 15 of 19 WHAT IS AN ORE A ROCK WITH ENOUGH METAL WORTH EXTRACTING 16 of 19 OXIDATION IS.. LOSS OF OXYGEN 17 of 19 WHAT IS AN ALLOY TWO OR MORE METALS MIXED TOGETHER 18 of 19 WHAT TWO ELEMENTS IS IN CRUDE OIL HYDROGEN OXYGEN 19 of 19
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