Unit 2

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Across
  1. 2. The element with 3 protons.
  2. 4. This is formed when you add or remove a neutron.
  3. 6. The name of the energy level an electron takes around the nucleus?
  4. 7. This is the name of an atom that has gained an electron.
  5. 10. The element with the symbol C.
  6. 11. Subatomic particle with a positive charge?
  7. 16. The study of matter is?
  8. 17. The element with an atomic mass of 20.
  9. 18. The type of diagram represented with dots, 1-8 of them.
Down
  1. 1. The O on the periodic table. Metal, non-metal or metalloid?
  2. 3. Po on the periodic table is metal, non-metal, or metalloid?
  3. 5. The element found on the periodic table in group 11, period 6.
  4. 8. Subastomic particle with a neutral charge?
  5. 9. The type of diagram represented with rings and dots.
  6. 10. This is the name of an atom that has lost an electron.
  7. 12. The center of an atom where you will find the protons and neutrons.
  8. 13. Subatomic particle with a negative charge?
  9. 14. The smallest unit of matter is an?
  10. 15. Is element K on the periodic table. Metal, non metel or metalloid?
  11. 19. This is formed when you add or remove an electron.