Matter Crossword

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Across
  1. 4. is the measure of how fast the particles are moving
  2. 5. a positively charged particle in the nucleus of an atom
  3. 8. the amount of matter in an object
  4. 9. smallest unit of an element; has all properties of that element
  5. 12. substance consisting entirely of one type of atom
  6. 13. center of an atom
  7. 15. to transfer(as in heat or electricity)
  8. 17. anything that has mass and takes up space
  9. 18. the amount of space that an object takes up
  10. 19. material that doesn’t carry electrons easily
  11. 20. the concentration of matter in an object
  12. 21. mixture of metals
  13. 22. a measure of the pull of gravity on an object
Down
  1. 1. elements that have properties of both metals and nonmetals
  2. 2. neutral particle of an atom
  3. 3. each element has one of these which is the number of protons in one atom of that element
  4. 6. two or more elements chemically combined
  5. 7. metal that can be hammered or rolled into thin sheets
  6. 10. smaller particles that make up atoms
  7. 11. negatively charged particle; located outside the atomic nucleus
  8. 14. neutral group of atoms that are held together by chemical bonds
  9. 16. metal that can be formed into wires