Periodic Table I 0.0 / 5 ? ChemistryElements and compounds Years 7-9 (KS3)None Created by: bish50Created on: 15-04-22 10:26 Matter that is made from one type of atom. element 1 of 10 Simplest building blocks of all matter. atom 2 of 10 When two or more elements join in a chemical reaction. compound 3 of 10 The number 1 element. hydrogen 4 of 10 On the left side of the Periodic table, most elements are this. metals 5 of 10 All elements that are not metallic nonmetals 6 of 10 Colourless gas makes up 21% of the atmosphere. oxygen 7 of 10 Metal number 20 calcium 8 of 10 Non-metal number 17. chlorine 9 of 10 These are formed when elements join in a reaction bonds 10 of 10
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