CHEM Unit 1 Crossword

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Across
  1. 1. a change in the state of matter is known as a "____ change"
  2. 6. A type of mixture in which all samples are the same.
  3. 7. A type of heterogeneous mixture that has a color, can scatter light, and has two different states of matter.
  4. 8. The LEAST reactive family of metals-commonly used in everyday lives
  5. 11. A type of heterogeneous mixture in which large particles are visible and be filtered
  6. 12. The MOST reactive family of metals
  7. 13. a PURE substance made up of ONE kind of atom
  8. 14. A type of mixture in which all samples are different.
  9. 15. the noble gases are classified as this, meaning "nonreactive"
Down
  1. 2. The substance DOING THE DISSOLVING in a solution.
  2. 3. a CHEMICAL combination of two or more elements
  3. 4. A solid that forms & settles out after mixing two liquid solutions
  4. 5. a PHYSICAL combination of two or more substances
  5. 6. The family forms violently reactive/deadly gases
  6. 9. this state of matter has the LEAST energy & particles are CLOSEST togehter
  7. 10. this state of matter has the MOST energy & particles are SPREAD OUT
  8. 11. The substance BEING DISSOLVED in a solution.