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Spot the one that does not belong

Exercise and reference answers

Questions
  1. Items
    1. Tiny nucleus
    2. Embedded electrons
    3. Revolving electrons
    Odd item
    Embedded electrons
  2. Items
    1. Stationary orbits
    2. Three postulates
    3. Spiralling electron
    Odd item
    Spiralling electron
  3. Items
    1. Kossel
    2. Thomson
    3. Rutherford
    Odd item
    Kossel

Explanation

One item belongs to a different model. Source: syllabus Physics, Ch 12 Atoms.
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