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Chemical Families
- 1963 ----- color ----- 21 min ----- 16mm
- (CHEM Chemistry Study series) Demonstrates methods by which chemical similarities among elements provide basis for dividing them logically into families by experiment and observation groupings shown to be metals, nonmetals, doubtful elements and chemically reactive gases and inert gases. Demonstrates how atomic numbers provide key to ordering of elements in periodic table.
- Topics: (Chemistry)
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