Vocab

12345678910111213
Across
  1. 1. the force that holds atoms or ions together as a unit
  2. 3. a neutral group of atoms that are joined together by one or more covalent bonds
  3. 4. an atom or group of atoms that has a positive or negative charge
  4. 5. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  5. 8. a chemical bond in which two atoms share a pair of valence electrons
  6. 10. notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  7. 11. a substance that undergoes change in a chemical reaction
  8. 13. new substances formed as a result of a chemical reaction
Down
  1. 2. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  2. 6. bond the attraction between a metal cation and the shared electrons that surround it
  3. 7. the force that holds cations and anions together
  4. 9. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  5. 12. energy the energy stored in chemical bonds