Chemistry 1.0 / 5 based on 1 rating ? ChemistryAtomsThe Periodic TableGCSEAQA Created by: sam fennCreated on: 21-01-14 09:59 25613 Across 1. what are noble gasses? (3, 8, 6) 2. what is in the center of the atom and stores the protons and neutrons? (7) 5. what is the order of the electrons in a three shell atom? (3, 5, 5) Down 2. what is the part of the atom with no charge? (7) 3. how many groups are in the periodic table? (5) 6. hydrogeon has how many neutrons,protons and electrons? (3, 2, 4)
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