The ACT Science Test: Chemistry Review 1

The ACT Science Test will test your understanding of the methods and procedures of scientific experimentation, your ability to analyze scientific information, and your ability to interpret and make inferences about data. The Science Test will not directly test your recall of specific facts or vocabulary. However, familiarity with basic terms and concepts in various scientific disciplines will help ensure that you understand the information presented in passages, charts, and graphs. To help you prepare, we've compiled fundamental terms from each of the major scientific disciplines covered on the exam.
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Full list of words from this list:

words only definitions & notes
  1. matter
    that which has mass and occupies space
  2. mass
    the property of a body that causes it to have weight
  3. substance
    the real physical matter of which a person or thing consists
  4. element
    a substance that cannot be separated into simpler substances
  5. atom
    the smallest component of an element
  6. molecule
    the simplest structural unit of an element or compound
  7. compound
    a whole formed by a union of two or more elements or parts
  8. proton
    a stable particle with positive charge
  9. electron
    an elementary particle with negative charge
  10. neutron
    a subatomic particle with zero charge
  11. ion
    a particle that is electrically charged positive or negative
  12. anion
    a particle with a negative electric charge
  13. cation
    a particle with a positive electric charge
  14. isotope
    atom with same atomic number, different number of neutrons
  15. bond
    an electrical force linking atoms
  16. solution
    a homogeneous mixture of two or more substances
  17. concentration
    the strength of a solution
  18. solute
    the dissolved matter in a homogenous liquid mixture
  19. solubility
    the quality of being easily dissolved in liquid
  20. solvent
    a liquid substance capable of dissolving other substances
Created on Tue Dec 22 08:47:44 EST 2020 (updated Wed Dec 23 09:08:58 EST 2020)

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