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Peer reviewedJordan, Thomas M. – Science Teacher, 1989
Explained is a representation of the three categories of spectra. Discusses what a lesson on spectra should include, background information, and equipment needed. Provided is a diagram of an absorption box. (RT)
Descriptors: Astronomy, Chemistry, Laboratory Equipment, Light
Peer reviewedSeaborg, Glenn T. – Science Teacher, 1983
Reviews the historical development of the periodic table, examining major changes due to understanding of radioactivity, synthetic transmutation by bombardment, differences between transuranium elements and the lanthanide series, and the transactinide elements. Discusses the continuing work on atomic synthesis and its importance in extending our…
Descriptors: Atomic Structure, Chemical Analysis, Chemistry, High Schools
