Test 7

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bressler1
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259164
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Test 7
Updated:
2014-01-29 20:43:42
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Chemistry Abeka
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Chemistry Test 7 Abeka
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  1. Lithium, sodium, potassium, and cesium
    alkali metals
  2. Beryllium, magnesium, calcium, and barium
    alkaline earth metals
  3. Helium, argon, krypton, and xenon
    noble gases
  4. platinum, silver, and gold
    precious metals
  5. Fluorine, chlorine, bromine and iodine
    halogens
  6. Boron, silicon, and germanium
    semimetals
  7. Palladium, rhodium, and iridium
    platinum-group metals
  8. produced by direct iron reduction
    sponge iron
  9. the addition of hydrogen to double or triple bonds
    hydrogenation
  10. an alloy of mercury with another metal
    amalgam
  11. active ingredient in bleach
    hypochlorite ion
  12. the process occurring in plants that continually replenish oxygen in the atmosphere
    photosynthesis
  13. phosphoric acid
    phosphates
  14. the science of extracting metals from their naturally occurring materials and preparing them for use
    metallurgy
  15. mineral compounds containing metals and silicon-oxygen groups
    silicates
  16. polymers of silicon, oxygen, and carbon
    silicones
  17. the process of converting atmospheric nitrogen to a form that can be used by plants
    nitrogen fixation
  18. two or more forms of the same element that differ in their properties but exist in the same physical state
    allotropes
  19. used to produce ammonia
    Haber Process
  20. used to produce aluminum metal
    Hall-Heroult Process
  21. the most common ore of the element iron
    Hematite
  22. another name for laughing gas
    Nitrous Oxide
  23. the group of elements that are found in nature only as free uncombined elements
    Noble gases
  24. the alkaline earth metal that is as essential component of bone and teeth
    calcium
  25. the process by which gold and silver are typically extracted from low-grade ores
    Cyanide Process
  26. two alloys of copper
    • brass
    • bronze
  27. The blast furnace is used to extract _____ from its ore?
    iron
  28. is typically extracted from petroleum and natural gas using the Claus Process
    sulfur
  29. Most helium is extracted from ____.
    natural gases
  30. one of the most common compounds of the element boron
    borax
  31. The hormone thyroxine, produced by the thyroid gland, contains ___.
    iodine
  32. the class of nonmetals that is the most reactive
    halogens
  33. the compound used to manufacture fertilizer
    ammonia
  34. Deposits inside boilers, hot water heaters, and teapots are often caused by ____.
    CaCO3
  35. Most of the element _____ produced annually is used for acid production.
    Sulfur
  36. Epson salts is the hydrate of _______.
    Magnesium sulfate
  37. the nonmetal that exists in rhombic, monoclinic, and plastic forms depending on the temperature
    sulfur
  38. Steel is an alloy of iron and a percentage of _____.
    Carbon
  39. makes up beverage cans, spacecrafts, and aircrafts
    aluminum
  40. the expensive metal widely used in automotive catalyst converters, spark plugs, and surgical tools
    platinum
  41. Milk of magnesia is a suspension of _____.
    magnesium hydroxide
  42. the third most abundant element in the earth's crust
    aluminum
  43. lye and caustic soda
    sodium hydroxide
  44. the important nutrients contained in commercial fertilizers
    • nitrogen
    • potassium
    • phosphorus
  45. the compound used as a contrast agent for x-rays of the gastrointestinal tract
    barium sulfate
  46. the element produced industrially by steam reforming of natural gas
    hydrogen
  47. commonly used as a semiconductor to make computer chips
    Silicon
  48. a naturally produced noble gas that can diffuse into home basements and is associated with an increased risk in lung cancer
    radon
  49. a dense metal that is used in car batteries, weights, radiation shielding, and small-arms ammunition
    lead
  50. contains high concentrations of calcium, magnesium, and iron (II) ions
    hard water
  51. the cheapest and most widely used metal
    iron
  52. the most malleable and ductile metal known
    gold
  53. the primary component of window glass
    silicates
  54. a nonmetal that does not have multiple allotropes at room temperature
    hydrogen
  55. Malachite, cuprite, and chalcopyrite
    copper
  56. the element that exists as an unstable white allotrope and a more stable red allotrope
    phosphorus
  57. used to make windows in x-ray tubes
    beryllium
  58. a very dense metal used in industrial counterweights, high-density armor, and nuclear fuels
    uranium
  59. an allotrope of oxygen
    ozone
  60. the most reactive of all elements
    fluorine
  61. the second most abundant element in the earth's crust
    silicon
  62. has the isotopes: protium, deuterium, and tritium
    hydrogen
  63. used in refrigerants and anti-cavity dental treatment
    fluorine
  64. used in bleaches, PVC plastic, medicines, pesticides, and water treatment
    chlorine
  65. the most abundant element in the universe
    hydrogen
  66. used in ammonia, artificial fertilizers, and explosives
    nitrogen
  67. used in deep-sea diving mixtures and as a nonflammable lifting gas in airships and high-altitude ballons
    helium
  68. the three ions of oxygen
    • O22-
    • O2-
    • O2-
  69. the physical properties of metals
    • luster
    • malleability
    • ductility
  70. What is the best reason why sulfuric acid can be used to measure the health of the US's economy
    sulfur acid is used extensively in manufacturing

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