chemistry

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Author:
amiss5572
ID:
196003
Filename:
chemistry
Updated:
2013-01-28 13:56:51
Tags:
chem
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Description:
chem
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  1. mixtures with uniform density throughout and no distinguishable components
    homogenous. salt water
  2. mixtures in which components are readily distinguished
    heterogenous. trail mix
  3. combinations of elements
    compounds
  4. two elements combine to form a product
    synthesis reaction
  5. breaking of a compound into component parts
    decomposition
  6. reaction of a compound or element with oxygen
    combustion
  7. represents the number of protons
    atomic number
  8. the emission of particles from an unstable nucleus
    radioactivity
  9. attraction between two oppositely charged ions
    ionic bond
  10. two atoms share a pair of electrons
    covalent
  11. strongest bond
    covalent
  12. when the sharing of electrons is unevean
    polar covalent
  13. a mole is the amount of a substance that contains
    6.02 x 1023
  14. when concentration increases the rate of reaction is
    accelerated
  15. losee of electrons
    oxidation
  16. reduction
    gain of electrons
  17. what characterizes a chemical reaction as combustions?
    A. formation of CO2
    B. addition of H2
    C. addition of O2
    C. combustion is defined as reaction of element with oxygen.

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