The missing elements

Year Published: 1956

Creator: KQED San Francisco Glenn T. Seaborg Bernard G. Harvey E. G. Valens Daniel M. Wilkes

Format: 16mm

Description: Discusses the discovery of three elements predicted by Mendeleev. Demonstrates and explains the use of the spectroscope and of other methods in isolating elements. Revises Mendeleev's Periodic Table by adding the three new elements and rare gases. (KQED) Film.

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Indiana University Library Moving Image Archive

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