Chemistry 100 Final pt.1

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Author:
martyr01
ID:
15976
Filename:
Chemistry 100 Final pt.1
Updated:
2010-09-27 22:49:10
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UIC Chemistry
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Description:
Review for Chem Final...Only first half
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  1. According to Leucippus, Democritus, and Ludretius,all matter is made of...
    Atoms
  2. According to John Dalton, the most important property of an atom is the...
    weight
  3. What is... A clearly-stated tentative explanation, a conjecture (must be testable)
    Hypothesis
  4. What is... A mathematical summary of an observed of an pattern of facts.
    Law
  5. What is... A well-tested and well-supported possible explanation.
    Theory
  6. What is... Something detected and recorded.
    Observation
  7. What is... A guiding model or set of models and theories which show a range of new ideas to test.
    Paradigm
  8. What is... A mental image or imagined picture of how something works or is connected or a mathematical explanation of how it works or a physical mechanism that illustrates how it works.
    Model
  9. What is... A reproducible observation; something for which we have reproducible evidence.
    Fact
  10. To become a cation, an atom must...
    lose electrons
  11. To become an anion, an atom must...
    gain electrons
  12. To become a lighter element, an atom must...
    lose protons
  13. To become an heavier element, an atom must...
    gain protons
  14. To become lighter isotope, an atom must...
    lose neutrons
  15. To become a heavier isotope, an atom must...
    gain neutrons
  16. Radioactivity that is stopped by an Al sheet, but passes through paper is...
    Beta radiation
  17. Radioactivity that is stopped by paper or cardboard is...
    Alpha radiation
  18. Electromagnetic radiation useful for detecting bones beneath skin is...
    X-Rays
  19. Radioactivity that does not have a negative or positive charge is...
    Gamma radiation
  20. Electromagnetic radiation with wavelengths just longer than visible light is...
    IR radiation
  21. Electromagnetic radiation with energies just rather than visible light is...
    UV radiation
  22. Regions of electromagnetic radiation in order...
    Radiowaves, Infared, reed, green, purple, ultra violet, x-rays, gamma rays
  23. Of the two most abundant gases in the Earth's atmosphere, the more reactive one is...
    O2
  24. Of the two most abundant gases in the Earth's atmosphere, the nearly inert one is...
    N2
  25. The most abundant gas in the Earth's atmosphere is...
    N2
  26. The second most abundant as in the Earth's atmosphere is...
    O2
  27. An allotrope is
    A different structural form of the same element in the same phase.
  28. A metalloid element frequently has...
    One allotrope that is metallic and another that is non-metallic
  29. What is a true description of the atmosphere of stars and the atmosphere of planets?
    Stars have ions and molecular fragments, planets have mainly molecules and noble gas atoms.
  30. Which one of the Earth's atmosphere layers fits this description: Has the most charged particles and molecule fragments.
    ionsphere
  31. Which one of the Earth's atmosphere layers fits this description: Has the most weather and most turbulence.
    Troposphere
  32. Which one of the Earth's atmosphere layers fits this description: Layer of the atmosphere that is closest to the Earth's surface
    Troposphere
  33. Which one of the Earth's atmosphere layers fits this description: Has calm air (less winds and weather) and absorbs UV rays
    Stratosphere
  34. Which one of the Earth's atmosphere layers fits this description: Greek root means "turning", implying convection
    Troposphere
  35. Which one of the Earth's atmosphere layers fits this description: Latin root means "layer", implying a "quiet layer"
    Stratosphere
  36. Ductile means....
    that the element is so soft you can cut it with a butter knife.
  37. define isotope:
    an isotope is an atom with a different mass of the same element.

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