Basic Chemistry

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Across
  1. 2. Something thats positive and is in the nucleus of a atom
  2. 3. The amount of space something takes up
  3. 5. Anything with mass and volume
  4. 6. A substance that is made entirely from one type of atom
  5. 8. The average mass of all the elements isotopes
  6. 10. Something that is NOT positive or negative and is in the nucleus
  7. 11. A substance that takes the space of the container its in
Down
  1. 1. Equal to the numbers of protons in the nucleus
  2. 4. Makes up all the matter in the world
  3. 6. Something negative that moves are around the nucleus but never goes inside
  4. 7. This substance has particles that bounce around A LOT
  5. 9. A substance that keeps its shape no matter where it is put