CHEM CH2-3

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Author:
purplerubycrystal
ID:
131609
Filename:
CHEM CH2-3
Updated:
2012-01-30 01:50:30
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CHEM CH2
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CHEM CH2-3
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  1. and are:
    of a class of compounds called:
    alkanes
  2. same molecular formula, different structures
    isomers
  3. 2 types of covalent compounds:
    • molecular covalent compounds
    • network covalent compounds
  4. atoms of different elements held together by covalent bonds
    covalent compounds
  5. -compound of individual covalently bonded molecules
    -three dimentional network of atoms held together by covalent bonds
    • molecular covalent compound
    • network covalent compound
  6. ...contains the symbol for each element present and a subscript number to identify the number of atoms of each element in the molecule
    molecular formula
  7. ...shows the simplest whole-number ratio of elements in a compound:
    emperical formula
  8. network covalent compounds are represented using..
    emperical formulas
  9. ...shows linkages of all atoms in the molecule
    structural formula
  10. how are covalent bonds represented in a structural formula?
    lines between the element symbols
  11. ...lists the atoms present in groups to indicate connectivity between them:
    -does it convey information about the 3D shape of the compound?
    • condensed structural formula
    • no, only connectivity
  12. ...two dimentional representation of a 3D structure that can be easily drawn on paper:
    -bonds that lie in the plane of the paper are represented by:
    -bonds that lie in front of the plane of the paper:
    -bonds that lie behind the plane of the paper
    • wedge-and-dash model
    • lines
    • wedges
    • dashed wedges
  13. ...interpenetrating spheres represent the relative amount of space occupied by each atom in the molecule:
    space-filling molecule
  14. two common classes of covalent compounds:
    -can a compound belong to more than one catagory?
    • binary nonmetals
    • inorganic acids
    • yes
  15. ...consist of 2 elements, both nonmetals
    binary nonmetal
  16. Prefixes used in naming Binary Nonmetal Compounds:
    • mono
    • di
    • tri
    • tetra
    • penta
    • hexa
    • hepta
    • octa
    • nona
    • deca
    • dodeca
  17. common old names for some binary nonmetal compounds:(6)
    • water
    • hydrogen peroxide
    • ammonia
    • hydrazine
    • NO nitric oxide
    • nitrogen dioxide
  18. -binary nonmetal compounds containing only hydrogen and carbon:
    -given special names, how are they named?
    • hydrocarbons
    • according to the number of carbon and hydrogen atoms in the formula
  19. 1.
    2.
    3.
    4.
    5.
    6.
    7.
    8.
    • 1. methane
    • 2. ethane
    • 3. propane
    • 4. butane
    • 5. pentane
    • 6. hexane
    • 7. octane
    • 8. decane

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