GCSE Chemistry – Structure of an atom

Last updated: 14/04/2021
AQA GCSE Science – Chemistry higher Atomic structure and the periodic table GCSE Chemistry – Structure of an atom

Learning Objectives

-I can describe the structure of an atom
-I can recall the relative size of an atom and nucleus
-I can recall the relative masses of the three subatomic particles

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  1. Current
  2. Review
  3. Answered

  1. What is the definition of an atom?

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  2. What is the overall charge of an atom?

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  3. What is in the centre of an atom?

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  4. What is the overall charge of the nucleus?

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  5. Which subatomic particle does the nucleus contain?

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  6. Which subatomic particle does the nucleus contain?

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  7. Which subatomic particle does the nucleus not contain?

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  8. Which subatomic particle orbits the nucleus within an atom?

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  9. Within an atom, which two subatomic particles are always equal numbers?

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  10. What type of charge does a proton have?

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  11. What type of charge does a neutron have?

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  12. What type of charge does an electron have?

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  13. What is the charge on a proton?

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  14. What is the charge on a neutron?

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  15. What is the charge on an electron?

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  16. What is the relative mass of a proton?

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  17. What is the relative mass of a neutron?

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  18. What is the relative mass of an electron?

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  19. Which two subatomic particles have the same mass?

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  20. How many electrons are held on the first shell within an atom?

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  21. How many electrons are held on the second shell within an atom?

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  22. How many electrons are held on the third shell within an atom?

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  23. How many electrons are held on the fourth shell within an atom?

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  24. What do electrons orbit?

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  25. What do electrons occupy?

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