Structure of an Atom 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: KirstyStothardCreated on: 23-01-16 11:58 What is an Element ? A substance made from only one type of atom 1 of 13 What is a compound ? 2 or more elements chemically bonded 2 of 13 What is a mixture ? 2 or more substance that have not reacted chemically together 3 of 13 What is the difference between a mixture and a compound ? The a mixture is not chemically bonded and a compound is 4 of 13 What is an atom ? The smallest particle of a chemical element that can exist. 5 of 13 How can we separate a solid from liquid ? Filtiration -separating an insoluble liquid from a solid 6 of 13 How can we separate salt from water ? Heat / Evaporate the water to leave behind the salt 7 of 13 What process separates inks ? Chromatography 8 of 13 What gas is formed when group 1 metals react with water ? Hydrogen 9 of 13 What do you call bromine atoms that have a different number of neutrons ? Bromine isotopes 10 of 13 What is an e number used for ? Codes for substances that are allowed to be used as food additives 11 of 13 How are the elements arranged in the modern periodic table ? In horizontal lines and used the patterns to predict properties of the elements 12 of 13 How did Mendeleev organize his element ? In order of atomic number 13 of 13
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