Ch. 6 & 7 Vocab.

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Across
  1. 2. The force that holds atoms or ions together as a unit
  2. 6. An ion with a positive charge
  3. 7. The force that holds cations and anions together
  4. 9. A substance that undergoes change in a chemical reaction
  5. 10. The attraction between a metal cation and the shared electrons that surround it
  6. 11. A neutral group of atoms that are joined together by one or more covalent bonds
  7. 14. A representation of a chemical reaction in which the reactants and products are expressed as formulas
Down
  1. 1. An ion with a negative charge
  2. 2. A chemical bond in which two atoms share a pair of valence electrons
  3. 3. Numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  4. 4. Notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  5. 5. A diagram of an atom, ion or molecule in which each dot represents a valence electron
  6. 8. New substances formed as a result of a chemical reaction
  7. 12. An atom or group of atoms that has a positive or negative charge
  8. 13. A mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal