GCSE Physics – Atoms

Last updated: 07/05/2020
AQA GCSE Science – Combined science higher Atomic structure GCSE Physics – Atoms

Learning Objectives

-I can recall the size, structure and parts of an atom
-I can recall the mass, charge and location of the subatomic particles
-I can recall that electrons are arranged in energy levels (shells)
-I can define the terms atomic number and mass number

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  1. Current
  2. Review
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  1. What is the average radius of an atom in meters?

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  2. What is the middle of an atom called?

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  3. What is the total charge of an atom?

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  4. How is the nucleus charged?

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  5. What is the nucleus made of?

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  6. How much smaller is a nucleus than an atom?

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  7. What percentage of an atom does the nucleus take up?

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  8. What is the nucleus surrounded by?

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  9. What do we call electron energy levels within an atom?

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  10. What is the mass of a proton in relative units?

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  11. What is the mass of a neutron in relative units?

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  12. What is the mass of an electron in relative units?

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  13. What is the charge of a proton in relative units?

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  14. What is the charge of a neutron in relative units?

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  15. What is the charge of an electron in relative units?

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  16. What two sub-atomic particles have the same mass?

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  17. What two sub-atomic particles have opposite charges?

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  18. How are electrons charged?

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  19. How are electrons arranged within the atom?

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  20. Why might electron arrangements change?

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  21. If an electron is further away from the nucleus

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  22. What does each electron distance from the nucleus represent?

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  23. What can electromagnetic radiation cause?

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  24. What happens if electromagnetic radiation is absorbed?

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  25. What happens if electromagnetic radiation is emitted?

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