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of 121 available terms
(2 exact duplicates found)

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5 Written questions

5 Matching questions

  1. nucleus (of an atom)
  2. salt
  3. nonpolar molecule
  4. reactant
  5. amino
  1. a Molecule which has no separation of charge, so no positive or negative poles are formed
  2. b A functional group that consists of a nitrogen atom bonded to two hydrogen atoms; can act as a base in solution, accepting a hydrogen ion and acquiring a charge of +1
  3. c Compounds resulting from the formation of ionic bonds, also called an ionic compound
  4. d A starting material in a chemical reaction
  5. e An atom's central core, containing protons and neutrons

5 Multiple choice questions

  1. The total amount of kinetic energy due to molecular motion in a body of matter
  2. An attraction between two atoms resulting from a sharing of outer-shell electrons or the presence of opposite charges on the atoms; the bonded atoms gain complete outer electron shells
  3. the degree of compactness of a substance
  4. A thousand calories; the amount of heat energy required to raise the temperature of 1 kg of water by 1°C
  5. the smallest unit of matter that retains the properties of an element

5 True/False questions

  1. villiOne of a family of compounds, including fats, phospholipids, and steroids, that are insoluble in water

          

  2. inhibitorThe attraction between different kinds of molecules

          

  3. double helixany substance that cannot be broken down to any other substance

          

  4. hydroxylA chemical process that lyses, or splits, molecules by the addition of water; an essential process in digestion

          

  5. monosaccharideThe simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides