Chapter 6 & 7 Vocabulary

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