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5 Written questions

5 Matching questions

  1. proton
  2. hydrogen bonds
  3. chemistry
  4. salts
  5. hydrolysis reactions
  1. a Ionic compounds formed from a reaction between an acid and a base
  2. b Weak attractive forces between molecules; important in determining how groups of molecules are arranged
  3. c The science concerns with the study of the composition, structure and properties of matter and the changes it undergoes
  4. d Processes that occur when large molecules are broken down into smaller parts by the addition of water
  5. e The particle in the nucleus of an atom that has a positive electrical charge

5 Multiple choice questions

  1. Electrically unbalanced or charged atoms
  2. The phase of matter in which the molecules are more energetic than the molecules of a liquid, resulting in only a slight attraction for each other
  3. The number of protons in an atom
  4. The formation or rearrangement of chemical bonds, usually indicated in an equation by an arrow from the reactants to the products
  5. forces that combine atoms or ions and hold them together

5 True/False questions

  1. phosphorylation reactionProcesses that occur when large molecules are broken down into smaller parts by the addition of water

          

  2. energy levelA region surrounding an atomic nucleus that contains electrons moving at approximately the same speed and having approximately the same amount of kinetic energy

          

  3. reactantsMaterials that will be changed in a chemical reaction

          

  4. liquidThe phase of matter in which the molecules are packed tightly together; they vibrate in place

          

  5. acid-base reactionsProcesses that occur when large molecules are broken down into smaller parts by the addition of water