Atoms C2 - Topic 1 Atomic Structure and the Periodic Table 3.0 / 5 based on 1 rating ? ChemistryAtoms and compoundsGCSEEdexcel Created by: LisaCreated on: 27-03-13 23:55 Where is the nucleus within an atom? In the middle 1 of 12 What does the nucleus contain? Protons and neutrons 2 of 12 Is the nucleus positively or negatively charged? Why? Positively, because protons and positively charged and neutrons have no charge 3 of 12 Almost the whole mass of the atom is concentrated where? In the nucleus 4 of 12 What do the electrons do within the atom? Move around the nucleus 5 of 12 What does the size of the elctrons orbits determine? How big the atom is 6 of 12 What do electrons occupy? Shells (energy levels) 7 of 12 Number of protons equals what? Number of electrons 8 of 12 In relation to the protons, the number of neutrons is usually what? About the same 9 of 12 Protons are _____ and _____ charged. heavy, positively 10 of 12 Neutrons are _____ and _____. heavy, neutral (no charge) 11 of 12 Electrons are _____ and _____ charged. heavy, negatively 12 of 12
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