Reactions

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Across
  1. 3. chemical bond formed when atoms share three pairs of electrons
  2. 5. chemical reaction that breaks down into simpler products
  3. 8. ion that is made of more than one atom
  4. 10. Force that holds atoms together
  5. 12. anything that has mass and occupies space
  6. 14. Number in a chemical formula that tells the number of atoms in a molecule or the ration of elements in a compound
  7. 16. part of solution present in a lesser amount and dissolved by the solvent
  8. 17. solid that forms from a solution during chemical reaction.
Down
  1. 1. substance formed as result of chemical reaction
  2. 2. mixture of two or more elements, one of which is metal
  3. 4. substance that doesn't change identity
  4. 6. Group of atoms that become electrically charged
  5. 7. Compound that consists of positive and negative ions
  6. 9. orderly, three dimensional pattern of ions or atoms in a solid
  7. 10. study of the properties of matter
  8. 11. system in which matter can enter from or escape to the surrounding
  9. 13. chemical bond formed when atoms share two pairs of electrons
  10. 15. substance that undergoes change in a chemical reaction
  11. 17. covalent bond in which electrons are shared equally
  12. 18. attraction between oppositely charged ions