Atomic Structure 3.0 / 5 based on 2 ratings ? PhysicsRadioactivityGCSEAQA Created by: Bethany GallichanCreated on: 07-04-13 12:39 1. What does the Nucleus contain? Protons and Neutrons 1 of 17 2. What charge do the Electrons have? Negative 2 of 17 3. What are Isotopes? Isotopes are atoms with different numbers of neutrons 3 of 17 4. In an atom the number of electrons is equal to the number of _______ ? Protons 4 of 17 5. How are charged ions formed? By atoms losing or gaining electrons 5 of 17 6. What is the atomic number? The total number of protons in an atom 6 of 17 7. What is the mass number? The total number of protons and neutrons in an atom 7 of 17 8. What are two common isotopes of carbon? Carbon-12 and Carbon-14 (Carbon-14 has 2 more neutrons) 8 of 17 9. What makes up most of the mass of the atom? The Nucleus 9 of 17 10. What takes up the most space in the atom? The Electrons 10 of 17 11. What is the relative charge of a Proton? Positive 11 of 17 12. What is the relative charge of a Neutron? Neutral 12 of 17 13. What is the relative charge of a Electron? Negative 13 of 17 14. If an atom gains one or more electrons it becomes a _________ charged ion Negatively 14 of 17 15. If an atom loses one or more electrons it becomes a _________ charged ion Positively 15 of 17 16. What was an early model of the structure of the atom called? The Plum Pudding Model 16 of 17 17. What experiment helped prove the PPM was wrong? Rutherford''s scattering experiment 17 of 17
Comments
No comments have yet been made