Unit 2 Crossword

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Across
  1. 3. holds the nucleus together
  2. 6. Shiny, malleable and ductile elements
  3. 8. Type of elements that aren't metals nor nonmetals
  4. 11. The number of protons is equal to the atomic ___
  5. 12. found outside of the nucleus
  6. 13. the columns of the periodic table
  7. 14. Type of elements that are bad conductors
Down
  1. 1. Electrons in their normal place are at the ___ state
  2. 2. the rows of the periodic table
  3. 4. positively charged subatomic particle
  4. 5. the electrons found on the outer shell
  5. 7. All atoms of the same ____ have the same number of protons
  6. 9. Same number of protons, different number of neutrons
  7. 10. Electrons in a higher energy level are ___
  8. 11. made up of protons and neutrons
  9. 15. The atomic ___ is equal to the number of protons and neutrons