Chem Test 12/17/10

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Author:
Franchesca1200
ID:
56636
Filename:
Chem Test 12/17/10
Updated:
2010-12-17 10:15:13
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Period Table Periodic Trends
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The Period Table & Periodic Trends
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  1. Founded a method for measuring atomic mass
    Stanislao Cannizzarro
  2. Arranged elements in order of increasing atomic mass
    Dmitri Mendeleev
  3. Observed that properties were arranged periodically
    Dmitri Mendeleev
  4. Was able to predict the existence of elements based on gaps in his table
    Dmitri Mendeleev
  5. Found that elements varied by the number of protons in the nucleus
    Moseley
  6. Arranged elements based on atomic number
    Moseley
  7. States that the physical and chemical properties of the elements are functions of their atomic number
    Periodic Law
  8. A repeating/predictable pattern of properties of atoms as a function of their position on the periodic table
    Periodicity
  9. Periodicity is a result of...
    Electron configuration of atoms
  10. Are alkali metals reactive?
    extremely
  11. Are alkali metals found in nature as free elements?
    no
  12. What do alkali metals produce?
    basic solutions when dropped into water
  13. What are the exceptions to Alkaline Earth Metals?
    Hydrogen and Helium
  14. What metals are reactive, but not as reactive as Alkali?
    Alkaline earth metals
  15. Alkaline Earth Metals aren't found as free elements, but as....
    compounds found in nature
  16. Transition metals are...
    good conductors
  17. What do transition metals form?
    colored solutions
  18. What are the exceptions to transition metals?
    • Hg (liquid)
    • Pt and Au (non reactive)
  19. What is included in the p-block?
    Metals, metalliods & non-metals
  20. What are the most reactive non-metals?
    Halogens
  21. What are the least reactive non-metals?
    Noble gases
  22. What are the rare earth elements?
    Lanthanide series
  23. What elements in the F-block are unstable & radioactive?
    Actinide series

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