Matter

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Across
  1. 3. are made up of two or more elements
  2. 6. Formula is an example of H2O
  3. 9. is a constant term related to the properties of a product
  4. 10. have a positive charge
  5. 11. clouds are a group of electrons circulating the nucleus or the molecule
Down
  1. 1. is often used to refer to members of a set of elements
  2. 2. are made up of two or more atoms mixed together
  3. 4. Symbols is a one or two lettered designation of an element
  4. 5. have a neutral charge
  5. 7. are the smallest part of the unit
  6. 8. have a negative charge