The study of the properties of the chemical elements has always lagged considerably behind their discovery, and this has mainly been due to the difficulty in obtaining elements in a sufficiently pure form, as well as to the need for the development of special investigation procedures and the corresponding equipment and instruments. This, in particular, has been responsible for the presence in the scientific literature of much data on the physical and chemical properties of substances which were obtained with samples of varying degrees of purity and which often differed substantially from each other and even contradicted each other.


Ionic Radius Electron Affinity Absolute Zero Standard Hydrogen Electrode Nuclear Property 
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Copyright information

© IFI / Plenum Data Corporation 1968

Authors and Affiliations

  • G. V. Samsonov
    • 1
  1. 1.Laboratory of Metallurgy of Rare Metals and Refractory Compounds, Institute of Cermets and Special AlloysAcademy of Sciences of the Ukrainian SSRKievUkraine

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