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PSN Science Passage

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Full list of words from this list:

  1. solute
    the dissolved matter in a homogenous liquid mixture
    The solute is the substance that is
    dissolved—salt.
  2. electron
    an elementary particle with negative charge
    Today we use the electron cloud model.
  3. compound
    a whole formed by a union of two or more elements or parts
    Matter can be classifi ed as elements, compounds, or mixtures.
  4. acid
    a sour water-soluble compound with a pH of less than 7
    Compounds can be classifi ed as acids
    or bases.
  5. chemical
    produced by reactions involving atomic or molecular changes
    It cannot be separated into simpler substances by physical or
    chemical means.
Created on 二月 4, 2011

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