TCC CH-2 Power Point

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Author:
Anonymous
ID:
283171
Filename:
TCC CH-2 Power Point
Updated:
2014-09-15 22:54:05
Tags:
PowerPointCh
Folders:
Biology-I
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Power Point questions
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  1. An element is a substance that cannot be broken down to other substances by _____ ____
    chemical reactions.
  2. _____ is a substance consisting of two or more different elements combined in a fix ration.
    Compound
  3. What is the formula for the photosynthesis reaction?


     6 CO2 + 6 H20      -----  C6H12O6 + 6 O2
  4. ____ ____ is the sharing of pair of valance electrons by two atoms.
    covalent bond
  5. A covalent bond resulting from the sharing of one pair of electrons
    Single bond
  6. is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions
    ionic bond
  7. The linking together of like molecules, often by hydrogen bonds.
    cohesion
  8. The clinging of one substance to another, such as water to plant cell walls by means of hydrogen bonds.
    adhesion
  9. ____of water to these hydrophilic walls helps move water up the plant against gravity
    Adhesion
  10. Having no affinity for water, tending to coalesce and form droplets in water.
    Hydrophobic
  11. Having an affinity for water.
    Hydrophilic
  12. A _____ solution is one in which the pH of the solution is "resistant" to small additions of either a strong acid or strong base.
    buffer

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