Modern Chemistry, Lesson 8: Atoms and Their Weights

Explains that atoms are too small to weight individually on chemical balances, but their individual masses can be measured in a mass spectrograph. Those atoms deflected least are the heaviest. Reviews the kinds of weight units commonly used.

Sources

  1. Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description