Chemistry

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Across
  1. 4. Combined to make a molecule
  2. 5. two or more atoms combine
  3. 7. Liquid that is frozen is a...
Down
  1. 1. table where all the elements
  2. 2. Water vapor is a....
  3. 3. Copper,iron,gold are example of this
  4. 6. We need it to stay hydrated