Periodic table

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123456789101112131415161718
Across
  1. 1. group of atoms bonded together
  2. 2. a subatomic particle with a positive charge
  3. 5. how many protons and nuetrons there are
  4. 6. everything on the periodic table
  5. 8. atoms of 2 or more elements combined
  6. 12. A very important person who formulated the periodic table
  7. 14. the circle in the middle of the atom that is made up of protons and neutrons
  8. 15. this is a type of atomic model
  9. 16. the space that holds electrons around the nucleus
  10. 17. particle that makes up everything
  11. 18. same volume and take the shape of it's container
Down
  1. 1. the number of protons
  2. 3. no definite volume and takes the shape of its container
  3. 4. a subatomic particle with a neutral charge
  4. 7. keeps their shape and doesnt take the shape of a container
  5. 9. anything that takes up matter has ___
  6. 10. where all the elements are
  7. 11. how much mass it has and a good example is "does it float in water?"
  8. 13. a subatomic particle with a negitive charge