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Peer reviewedDigilov, M. – Quantum, 1991
Discusses 5 innovative experiments conducted by Rutherford in early 1900s utilizing the 30 milligrams of radium salt he personally carried from Europe to Canada in 1903. Traces his work with alpha particles from his original results which determined their nature, charge, and mass, to his technique of backscattering which helped to advance…
Descriptors: Atomic Structure, Atomic Theory, Radiation, Radioisotopes
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
Peer reviewedZavaleta, David – Journal of Chemical Education, 1988
Traces the development of bonding theory and notes the influence of preconceived theory upon this development. Considers ideas of alchemy, Newton, Dalton, Lewis, and quantum mechanics. Suggests a move away from conservative descriptive approaches of bonding theory. (ML)
Descriptors: Atomic Structure, Chemical Analysis, Chemical Bonding, Chemistry
