Chemical families
Contributors: Campbell, J. Arthur.; Hollenberg, J. Leland.; Ward's Natural Science Establishment, inc.; Chemical Education Material Study.; Wexler Film Productions.
Edition: 2nd ed.
Series: CHEM study -- v. 7
Publisher: Ward's Natural Science Establishment
Place of publication: Rochester, NY
Format: Videorecording
Number of pages: 22
Subjects: Chemical elements.
Description: A display of actual samples of over 70 elements demonstrates methods by which chemical similarities among the elements have provided a basis for dividing them into families. By experiment and observation, elements are classified as metals or nonmetals, and some are shown to be chemically reactive, while others are inert.
Notes: A production of Chemical Education Material Study ; rev. ed. produced by Wexler Films.

Series from teacher's guide.

Science consultants, J. Arthur Campbell and J. Leland Hollenberg ; teacher's guide revision prepared by Margaret Carlberg, William Kieffer, and Margaret Nicholson.

This tape does NOT have captions or subtitles