Matter

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Across
  1. 3. Visibly different substances
  2. 4. The appearance or state changes but not the substance
  3. 7. The orbit that electros follow,the shell
  4. 9. Everything around us,anything that has mass and volume
  5. 11. All substances look like one
  6. 13. More than one type of atom
Down
  1. 1. Non-pure matter, physically combined
  2. 2. Outside electrons,determine chemical properties
  3. 5. The chemical substances change into a new substance
  4. 6. 2 or more atoms chemically combined
  5. 7. Negatively charged particles of moving atoms
  6. 8. Only one type of atom
  7. 10. Charge-less particles of atoms,nuetral
  8. 12. The smallest part of elements
  9. 14. Positively charged particles of atoms