Dmitri Mendeleev

Dmitri Mendeleev
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  • Chemical....... properties...... organizing.......
  • K goes here! Cs goes here! Ca goes here!
  • Good morning everyone!
  • Today I am presenting for the first time ever.....
  • The Dependence Between the Properties of the Atomic Weights of the Elements
  • The magnitude of the atomic weight determines the character of the element, just as the magnitude of the molecule determines the character of a compound body.
  • The elements which are the most widely diffused have small atomic weights.
  • The arrangments of elements corresponds to their valencies to their distinctive chemical properties
  • The elements, if arranged according to their atomic mass, exhibit an apparent periodicity of properties.
  • We must expect the discovery of many yet unknown elements (65-75)
  • Elements which are similar regarding their chemical properties either have similar atomic weights or have their atomic weights increasing regularly
  • The atomic weight of an element may sometimes be amended by a knowledge of those of its contiguous elements.
  • Certain characteristic properties of elements can be foretold from their atomic masses.
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