Matter

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Across
  1. 3. O is the element for ______.
  2. 4. A ________ is made of two or more atoms.
  3. 5. H2O is a compound for _____.
  4. 8. A __________ mixture is chemically bonded.
  5. 9. Zn is the element for ____.
Down
  1. 1. A ____________ mixture is physically bonded.
  2. 2. A ________ is chemically bonded.
  3. 4. A _______ is physically bonded.
  4. 6. An ____ is the smallest unit of matter.
  5. 7. An _______ is made of an atom or a molecule.