Ch 6&7 vocab

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