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5 Written questions

5 Matching questions

  1. ionic bonds
  2. electron
  3. bases
  4. ion
  5. Kinetic molecular theory
  1. a The attractive forces between ions of opposite charge
  2. b A negatively charged particle moving at a distance from the nucleus of an atom; balance it the positive charges of the protons
  3. c Electrically unbalanced or charged atoms
  4. d compounds that release hydroxide ions or accept hydrogen ions in a solution
  5. e states that all matter is made up of tiny particles that are in constant motion

5 Multiple choice questions

  1. The formation or rearrangement of chemical bonds, usually indicated in an equation by an arrow from the reactants to the products
  2. The weight of an atomic nucleus, expressed in atomic mass units (the sum of the protons and neutrons)
  3. The reaction that takes place when a cluster of atoms, known as a phosphate group is added to another molecule
  4. Weak attractive forces between molecules; important in determining how groups of molecules are arranged
  5. A reaction that results in the formation of a macromolecule when water is removed from between the two smaller component parts

5 True/False questions

  1. productsThe component that dissolves in a solvent


  2. mass numberThe weight of an atomic nucleus expressed in atomic mass units (the sum of the protons and neutrons)


  3. solventThe component that dissolves in a solvent


  4. heatIonic compounds formed from a reaction between an acid and a base


  5. atomic numberThe central region of an atom