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 early 20th century, several atomic models were proposed to explain the structure of the atom. Compare and contrast the Thomson and Rutherford models of the atom.
Describe one experimental observation from Rutherford’s gold foil experiment that led to the nuclear model of the atom.
Describe the main idea behind Dalton’s atomic theory.
Explain why the discovery of the electron led to the revision of Dalton’s atomic theory.
Rutherford’s model of the atom proposed that:
State one limitation of Rutherford’s atomic model.
State one major limitation of Thomson’s atomic model.
State the main difference between Bohr’s model and Rutherford’s model of the atom.
Which atomic model first introduced the concept of quantized energy levels for electrons?
Which model of the atom is described as a sphere of positive charge with electrons embedded in it?
Which scientist’s work led to the discovery of the proton?
Which subatomic particle was discovered last among electron, proton, and neutron?
Who discovered the neutron?
Who proposed the first atomic theory based on scientific evidence?
