chemistry crossword

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Across
  1. 3. The heat content of a system at constant pressure.
  2. 7. A type of reaction that absorbs heat from its surroundings.
  3. 10. The number of particles in one mole of a substance.
  4. 11. The tendency of an atom to attract a bonding pair of electrons.
  5. 13. The process of using electricity to decompose a compound.
Down
  1. 1. A type of chemical bond involving the sharing of electron pairs.
  2. 2. A laboratory technique used to determine the concentration of a solution.
  3. 4. A type of covalent bond formed by the sideways overlap of p orbitals.
  4. 5. A regular arrangement of ions in a solid structure.
  5. 6. Atoms of the same element with different numbers of neutrons.
  6. 8. A weak interaction involving a hydrogen atom bonded to an electronegative atom.
  7. 9. A substance that speeds up a reaction without being consumed.
  8. 12. A state in which the forward and reverse reactions occur at the same rate.