Science

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Across
  1. 3. A force of attraction that holds atoms or ions together in a molecule or crystal.
  2. 4. If the numbers of each type of atom are different on the two sides of a chemical equation, then the equation is _________
  3. 6. term used for the elements and compounds after chemical reaction takes place
  4. 8. term used for the elements and compounds before chemical reaction takes place
Down
  1. 1. change, Changes affecting the form of a chemical substance, but not its chemical composition.
  2. 2. the amount of matter in any given object
  3. 3. When both sides of a chemical equation have the same number of atoms it is __________
  4. 5. the smallest unit of ordinary matter that forms a chemical element.
  5. 7. Any substance that has mass and takes up space by having volume