Chemistry

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Across
  1. 2. Electrons that are free to move around a structure.
  2. 5. Name given to group 2 metals
  3. 7. Bond formed between positively and negatively charged ions.
  4. 8. Arrangement of electrons in an atom.
  5. 10. Ion made up of more than one atom.
  6. 11. One of the two main types of elements on the periodic table.
  7. 13. Outermost occupied shell of an atom.
  8. 15. Rows on the periodic table are known as _______.
Down
  1. 1. Name given to group 1 metals.
  2. 3. H2 is an example of a...
  3. 4. Creator of the modern day periodic table.
  4. 6. Neon and argon are both...
  5. 9. The number of protons in an element determines it's...
  6. 12. Metals found in a large block of the periodic table.
  7. 14. Name given to the vertical list of elements on the periodic table.