7th vocab January 27

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Across
  1. 2. change a change of matter from one form to another without a change in chemical properties
  2. 3. scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic
  3. 4. the strength of an acid
  4. 5. small portion of matter
  5. 9. a group of atoms bonded together forming the smallest fundamental unit of a pure substance
  6. 11. basic unit of matter; smallest particle of an element
  7. 12. the amount of space an object takes up
  8. 13. the amount of matter in an object
Down
  1. 1. the strength of a base
  2. 2. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  3. 6. precipitation rain, sleet, or snow that contains a high concentration of acids
  4. 7. a pure substance made of only one kind of atom
  5. 8. substance formed by the chemical combination of two or more elements in definite proportions
  6. 10. change a change that produces matter with a different composition than the original matter
  7. 14. acid strong acid that can cause acid precipitation