LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 2

The learner will build an understanding of the structure and properties of matter.

Objective 2.01

Analyze the historical development of the current atomic theory.

  • Early contributions: Democritus and Dalton.
  • The discovery of the electron: Thomson and Millikan.
  • The discovery of the nucleus, proton and neutron: Rutherford and Chadwick.
  • The Bohr model.
  • The quantum mechanical model.

Resources aligned to this objective