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5 Written questions

5 Matching questions

  1. Ion
  2. Acid
  3. Atom
  4. Carbohydrate
  5. Ionic Bond
  1. a Organic compounds made of carbon, hydrogen, and oxygen atoms.
  2. b Bonds formed when atoms transfer electrons
  3. c An element that has gained or lost one or more electrons.
  4. d The smallest unit of matter that can not be broken down by chemical means.
  5. e Compound that Increases the concentration of hydrogen ions (h+) in solution

5 Multiple choice questions

  1. The substance on which an enzyme acts during a chemical reaction.
  2. The number of protons in the nucleus of an element.
  3. A substance made of the joined atoms of two or more different elements.
  4. Substances made up of only one kind of atom
  5. A mixture in which one or more substances is evenly distributed in another substance

5 True/False questions

  1. CohesionThe attraction between substances of the same kind.

          

  2. Activation EnergyThe energy needed to start a chemical reaction

          

  3. SoluteA mixture in which one or more substances is evenly distributed in another substance

          

  4. Active SiteAn attraction between different substances (why things get wet)

          

  5. BaseCompound that Increases the concentration of hydrogen ions (h+) in solution