Vocab Ch. 2 Chemistry

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Anonymous
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233371
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Vocab Ch. 2 Chemistry
Updated:
2013-09-07 14:24:27
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kearney honorsbiology hr
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Vocab Quiz 9/11
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  1. Attractive forces that hold atoms together
    Chemical Bond
  2. Forms when 2 atoms share one of more pairs of electrons
    Covalent Bond
  3. Positive and negative electrons attract each other
    Ionic Bond
  4. Ability to do work
    Energy
  5. Energy needed to start reaction
    Activation Energy
  6. One or more substances change to produce one or more differnect substances
    Chemical Reaction
  7. Certain chemical substances reduce amount of activation energy needed for reactoin to take place
    Catalyst
  8. Protein or RNA molecule that speeds up metabolic reactoins without being permanently changes/destroyed
    Enzyme
  9. Reactant loses one or more elcectrons which then becomes positive in charge
    Oxidation Reaction
  10. Reactant gains one or more electrons
    Reduction Reaction
  11. The force of attraction between a hydrogen molecule with a partial positive charge and another moecule/atom with a partial or full negative charge 
    Hydrogen Bond
  12. Attractive force between 2 particles of different substances (ex. water molecule & glass molecule)
    Adhesion
  13. Attractive force that holds molecules of a single substance together
    Cohesion
  14. Substance dissolved in a solvent
    Solute
  15. Substance in which the solute is dissolved
    Solvent

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