Periodic table 0.0 / 5 ? ChemistryAtomsGCSEEdexcel Created by: cra craCreated on: 16-10-20 14:21 How many subatomic particles are there... 3 1 of 9 What are the nonreactive gases called? noble gases 2 of 9 What are the most reactive metals? alkali metals 3 of 9 the middle of the table is called... transition metals 4 of 9 Dmitri Mendeleev was... Russian 5 of 9 everything are made up of atoms Yes 6 of 9 How many alkali metals are there? 6 7 of 9 What are the maximum amount of shells in an atom (at GCSE level) 7 8 of 9 Who created the first atom theory John Dalton 9 of 9
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