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Spring, R. J. – Education in Chemistry, 1975
Discusses the work of Lecoq de Boisbaudran, who established the identity of gallium in 1875 by applying his knowledge of spectroscopy to the elucidation of atomic weights and atomic properties. (MLH)
Descriptors: Atomic Structure, Atomic Theory, Biographies, Chemistry
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Cox, P. J. – Education in Chemistry, 1978
A new scale is suggested, with the objective of simplifying relationships between the various scales and units used in spectroscopy. Although there are certain drawbacks to such a scale, it is hoped that the suggestion will stimulate discussion on the relevance of the many scales and units that are used. (Author/BB)
Descriptors: Chemistry, Laboratory Equipment, Laboratory Techniques, Physical Sciences
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George, W. O.; Vincent, A. – Education in Chemistry, 1975
Emphasizes the simplicity and elegance of early discoveries related to the hydrogen spectrum and provides an elementary experimental basis of quantum theory based on a "numbers game" which can be played by students. (Author/GS)
Descriptors: Atomic Structure, Chemistry, College Science, Higher Education
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West, T. S. – Education in Chemistry, 1979
Discusses how trace elements are determined in soils and plants and accounts for some of the effects observed. (BB)
Descriptors: Agricultural Chemical Occupations, Agriculture, Chemical Analysis, Chemistry