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    Cards (12)

    • What is the main topic of the video by Chris Harris?

      Atomic structure for OCR B Salters
    • What is the purpose of the video?
      For revision purposes
    • What does the atomic structure section cover?
      Elements for life topic
    • What is the relative size of an atom's nucleus compared to Wembley Stadium?
      Like a garden pea in the center
    • Who proposed that all atoms are spheres?
      John Dalton
    • What did JJ Thompson discover?
      The electron
    • What is the plum pudding model?
      Atom has positive mass with electrons inside
    • What did Ernest Rutherford conclude about the atom?
      It is mostly empty space with a nucleus
    • What experiment did Rutherford conduct?
      The gold leaf experiment
    • What did Rutherford's gold leaf experiment demonstrate?
      Most of the atom is empty space
    • What did Niels Bohr propose about electron shells?
      They have fixed energy levels
    • What is the main focus of the overview provided?
      Atomic structure for OCR B Salters
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