Modern Chemistry, Lesson 130: The Sulfur Family

Shows several forms of crystalline sulfur. A rubbery form of sulfur is formed by heating liquid sulfur to a high temperature and then chilling it suddenly. Sulfur is found naturally as free sulfur, in gaseous hydrogen sulfide and sulfur dioxide, and more commonly in metallic sulfides.

Sources

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