Chapter 6+7

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