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5 Written questions

5 Matching questions

  1. Atomic Mass
  2. Atom
  3. Acids
  4. synthesis reaction
  5. solution
  1. a A substance that can release hydrogen ions (H+) in detectable amounts. having a sour taste and can dissolve many metals of burn a hole in your rug. pH below 7
  2. b The building blocks of elements.
  3. c The sum of the masses of all the protons and neutrons contained in an atoms nucleus.
  4. d Occur when two or more atoms or molecules combine to form a larger, more complex molecule. A+B->AB
  5. e a homogenous mixture of two or more components.

5 Multiple choice questions

  1. the liquid in which a solute is dissolved to form a solution.
  2. functional proteins that act as biological catalysts. A catalyst is a substance that increases the rate of a chemical reaction without becoming part of the product or being changed itself.
  3. Hydroxides ionize and dissociate in water releasing hydroxyl ions (OH-)
  4. Regulates the acid base balance in the body.
  5. Anything that has mass and takes up space.

5 True/False questions

  1. Amino Acidssmall molecules that are the building blocks of proteins.


  2. protonsAtomic particles with a positive charge.


  3. LipidsA large group of organic compounds - contain carbon, hydrogen and oxygen with more carbon and hydrogens than oxygens.


  4. IsotopesAtoms with the same number of protons and electrons but vary in the number of neutrons they contain.


  5. IonsCharged particles