Classification of Matter

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Across
  1. 1. substance that contains two or more elements
  2. 3. substance that cannot be broken down by chemical means to simpler substances
  3. 5. anything with mass and occupies space
  4. 6. abbreviation of each element
  5. 10. indefinite volume and no fixed shape
  6. 13. prepared by mixing correct amounts of salt and water (two words put together)
  7. 15. negatively charged ion
  8. 16. matter with a definite, fixed composition
  9. 17. definite shape and volume
  10. 18. positively or negatively charged atom or group of atoms
  11. 22. two or more physically distinct phases
  12. 23. solid without any regular, internal geometric shape
  13. 25. body of matter under consideration
Down
  1. 1. abbreviations for compounds (two words put together)
  2. 2. not uniform in appearance, has parts with different properties (two words put together)
  3. 4. smallest particle of an element that can exist
  4. 6. numbers that appear below and to the right of symbol of an element
  5. 7. definite volume but not shape
  6. 8. has same properties throughout
  7. 9. contain exactly two atoms (two words put together)
  8. 11. properties intermediate between metals and those of nonmetals
  9. 12. positively charged ion
  10. 14. not lustrous, low melting points and densities
  11. 19. material containing two or more substances
  12. 20. union of two or more atoms
  13. 21. solids at room temperature
  14. 24. homogeneous part separated by physical boundaries