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Complete the reason Bohr's model fails

Exercise and reference answers

Missing parts
  1. Answer
    position
    Choices
    1. position
    2. mass
    3. charge
  2. Answer
    velocity
    Choices
    1. velocity
    2. energy
    3. spin
  3. Answer
    Heisenberg uncertainty
    Choices
    1. Heisenberg uncertainty
    2. Pauli exclusion
    3. Aufbau
Complete the statement
A clearly defined orbit requires knowing the electron's exact {0} and exact {1} at the same time. The {2} principle says that is impossible.

Explanation

A well-defined orbit needs both position and velocity known at once, which the uncertainty principle forbids. Source: syllabus Chemistry Part I, Ch 2 Structure of Atom.
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