Atomic Structure and The Periodic Table 5.0 / 5 based on 1 ratingTeacher recommended ? ChemistryAtomsGCSEEdexcel Created by: tillywithwingsCreated on: 30-10-15 18:31 3214 Across 1. In isotopes, are there odd numbers of electrons, protons or neutrons? (8) Down 2. What did Mendeleev do with elements that hadn't been discovered? (4, 4) 3. Where are non-metals located in the modern Periodic Table? (2, 3, 5) 4. Where are the protons and neutrons found in an atom? (7)
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