atomic sturcture 0.0 / 5 ? PhysicsRadioactivityGCSEAQA Created by: wendy98Created on: 20-04-14 20:45 What is an isotope Atoms that have the same number of protons but diffrent number of neutrons 1 of 9 The plum pudding model was disproved by Rutherford's scattering experiment 2 of 9 In the plum pudding model of the atom, what were the plums? electrons. 3 of 9 An atom that gains an electron becomes negatively charged 4 of 9 If the relative mass of a proton is 1, what is the relative mass of a neutron? 1 5 of 9 What do we call atoms with the same atomic number but different mass numbers? Isotope 6 of 9 Where is most of the mass of an atom found? Nucleus 7 of 9 Compared to a whole atom, the nucleus is? much smaller 8 of 9 if a atom loses one or more electrons is becomes Positively charged 9 of 9
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