Webster - Chemistry

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Across
  1. 3. - a chemical substance present at the start of a process
  2. 4. - Mixture that is the same all the way through
  3. 6. - Formulated the periodic table
  4. 7. - 2 substances added together to form a new substance
  5. 8. - the tendency to float in water or other liquid
  6. 9. - a change from one state (solid or liquid or gas) to another without a change in chemical composition
  7. 10. - A property you can notice with your senses
  8. 11. - process determined by substances' composition and structure
  9. 13. - a process in which one substance permeates another
  10. 15. - Basic unit of an element
  11. 16. - a chemical substance formed as a result of a reaction
  12. 17. - a particle with a negative electric charge
  13. 18. - Substance that can't be broken down any further
Down
  1. 1. - the property of an atom that causes it to have weight
  2. 2. - consisting of elements not of the same kind or nature
  3. 5. - Any property that becomes evident after a chemical reaction
  4. 9. - a fourth state of matter distinct from solid, liquid or gas
  5. 11. - Atoms bonded together
  6. 12. - a particle that is electrically charged positive or negative
  7. 14. - a homogeneous mixture of two or more substances