Chemistry

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Across
  1. 3. positively charged part of atom
  2. 5. when something takes up space
  3. 7. pure substance that is only one type of atom with same numbers of protons in their nuclei
  4. 9. steam is this state of matter
  5. 10. negative charged ions
  6. 11. positive charged ions
  7. 13. smallest chemical unit of matter
  8. 14. water is this state of matter
  9. 15. ice is this state of matter
  10. 16. charged atoms that are neutral
Down
  1. 1. 2 or more atoms linked together to make a substance
  2. 2. substance that contains different compounds and elements
  3. 4. neutral part of atom
  4. 6. negatively charged part of atom
  5. 8. anything that has mass and takes up space
  6. 11. 1 or more elements chemically bonded together
  7. 12. outermost position of an atom