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5 Written questions

5 Matching questions

  1. Atomic Number
  2. Carbohydrate
  3. Lipid
  4. Base
  5. Molecule
  1. a Compound that Reduces the concentration of hydrogen ions (increases (OH-))
  2. b A group of atoms held together by convalent bonds
  3. c Nonpolar molecules that are not solube in water ( can dissolve )
  4. d The number of protons in the nucleus of an element.
  5. e Organic compounds made of carbon, hydrogen, and oxygen atoms.

5 Multiple choice questions

  1. Bonds formed when atoms transfer electrons
  2. The energy needed to start a chemical reaction
  3. Large complex compounds that contain carbon, hydrogen, oxygen, and nitrogen
  4. Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )
  5. Substances made up of only one kind of atom

5 True/False questions

  1. AdhesionAn attraction between different substances (why things get wet)

          

  2. SubstrateCompound that Reduces the concentration of hydrogen ions (increases (OH-))

          

  3. Surface TensionAn attraction between different substances (why things get wet)

          

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

          

  5. CatalystCompound that Reduces the concentration of hydrogen ions (increases (OH-))