Vocabulary Set #9

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Across
  1. 4. An electron pair in the outermost shell of an atom that is not shared
  2. 5. a chemical formula that shows how the atoms and bonds in a molecule are arranged
  3. 6. Chemical link between two atoms in which electrons are shared between them
  4. 7. Set of rules to generate systematic names for chemical compound
  5. 8. Three electron pairs in which are shared between two bonded atoms
  6. 9. Two or more substances that are composed of the same elements in the same proportions but differ in properties
Down
  1. 1. Mass and charge are balanced on both sides of a reaction
  2. 2. Bond where two electron pairs are shared between two atoms
  3. 3. Concentrations of reactants and products are in an unchanging ratio
  4. 4. In a chemical reaction matter is neither gained or lost