Periodic Table

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Author:
jonnybomb23
ID:
57033
Filename:
Periodic Table
Updated:
2010-12-26 22:19:10
Tags:
Chemistry periodic table
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Description:
Periodic Table Ch. 6
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  1. First 4 elements
    Fire, water, earth, air
  2. How many known elements in 1828
    53
  3. Who proposed TRIADS
    Dobereiner
  4. What are TRIADS
    Groups of 3 elements having similar properties, with the middle element having an atomic weight being the average of the other two
  5. Law of octaves
    1864, Newlands organizing so it went by weight and paired them up by 8 elements
  6. Periodicity
    A regular reoccurrence
  7. Meyer
    Periodic Nature of atomic volume
  8. The periodic law
    Mendeleev, the physical and chemical properties of the elements are periodic functions of their atomic weights
  9. Mendeleev
    got credit for chemical and physical properties and left empty spots for undiscovered elements and predicted their properties. Minor problem b/csome of the elements were reversed pairs

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