Chem final

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Author:
Anonymous
ID:
15092
Filename:
Chem final
Updated:
2010-04-18 18:21:53
Tags:
chem
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Description:
chem
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  1. How do you find the atomic number
    it is the # of protons
  2. How do you find the mass #
    its neutrons + protons
  3. How do you find the net charge
    Protons - electrons
  4. THe nucleus charge
    number of electrons
  5. How to find the Net charge
    protons - electrons= + cation 0 neutral - anion
  6. How to find isotope of same element
    same element different neutron
  7. a clearly stated tentative explanation a conjecture
    hypothesis
  8. a reproducible observation; something for which we have reproducible evidence
    fact
  9. something detected and recorded
    observation
  10. a mathematical summary of an observed pattern of facts
    law
  11. mental image or imagines picture of how something works or is connected
    model
  12. a well-tested and well-supported possible explanation
    Theory
  13. Prouts hypothesis
    all elements are made of hydrogen so all atomic weights must be integers
  14. CFCs are
    released by leaks from old refrigerators and air combustion
  15. light from an incandescent metal
    bright continuous band spectrum
  16. emission of light from atoms
    bright line spectrum
  17. absorption of light by atoms
    dark line spectrum
  18. decreasing order of electromagnetic radiation
    x-rays, ultraviolet, blue, yellow, orange, red, and infared

    (ROY G BIV) correct order of increasing
  19. Combustion of air
    majority H
  20. Extinguish fire
    02 and N2
  21. 4 alpha decay
    2
  22. What a freon
    Something with a CFC in the formula
  23. 0 Beta decay
    -1
  24. change in neutrons
    different isotope
  25. change in # of protons
    different element
  26. change in different # of electrons
    different ion
  27. all acids are
    H+
  28. all bases
    OH-
  29. All salts
    Mg somewhere in it

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