Development of Atomic Models
Chemistry ⇒ Atomic Structure and the Periodic Table
Development of Atomic Models starts at 8 and continues till grade 12.
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Context: In the gold foil experiment, most alpha particles passed straight through the foil, but a few were deflected at large angles. What conclusion was drawn from this observation?
Describe one experimental observation from the gold foil experiment that led to the nuclear model of the atom.
Describe the main features of Dalton’s atomic theory.
Describe the main idea behind the Heisenberg uncertainty principle.
Explain the main difference between Bohr’s model and the quantum mechanical model of the atom.
Explain why the Bohr model was considered an improvement over Rutherford’s model.
Explain why the discovery of the neutron was important for the understanding of atomic structure.
State one limitation of Rutherford’s atomic model.
The gold foil experiment was conducted by which scientist?
Which model of the atom was the first to include subatomic particles?
Which scientist developed the wave equation for electrons in atoms?
Which scientist discovered the electron?
Which scientist formulated the uncertainty principle?
Which scientist’s model introduced the idea that electrons have both particle and wave properties?
Which scientist’s work led to the concept of atomic number?
Which subatomic particle was discovered last: electron, proton, or neutron?
Who discovered the neutron?
Who introduced the concept of quantized energy levels for electrons in atoms?
Who proposed the first atomic theory based on experimental evidence?
