Choice Board #2

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Across
  1. 4. Creator of the most recent atomic model.
  2. 6. An element with a different number of neutrons
  3. 7. The first scientist to discover the Nucleus.
  4. 9. An element with an atomic number of 8.
  5. 11. The number of protons in an element.
  6. 13. Each horizontal row of the periodic table.
  7. 15. Creator of the plum pudding model
Down
  1. 1. The average amounts of protons and neutrons in an element
  2. 2. The first person to discover atoms, though was discredited by Aristotle.
  3. 3. An atom with no electrical charge.
  4. 5. Meaning "indivisible"
  5. 8. An negatively charged atom.
  6. 10. All of the vertical columns on the periodic table.
  7. 12. A positively charged atom
  8. 14. An electrically charged element with a varying number of electrons