chemistry vocab

123456789101112131415161718
Across
  1. 2. smallest part of element
  2. 5. negatively charged particle
  3. 8. when an element has metals in it
  4. 9. a set of at least two atoms
  5. 10. right side of periodic table is ______
  6. 12. left side of the periodic table is ______
  7. 15. rows go from left to right on periodic table
  8. 16. anything that takes up space and has mass
  9. 17. atomic number is 1
  10. 18. a pure substance that consists of one kind of atom
Down
  1. 1. when a element has no metals
  2. 3. outside of energy rings
  3. 4. in nucleus and have positive charge
  4. 5. the big letters on an element card
  5. 6. has neutral charge and is about the same mass of proton
  6. 7. run up and down on periodic table
  7. 9. how much something weighs
  8. 11. electrons arrange into these rings
  9. 13. the small number on an element
  10. 14. when heat and light do not pass through