Periodic Table Trends

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Across
  1. 2. When an atom has a full outer shell and are less likely to react with outside stimuli
  2. 5. These are the vertical columns on the periodic table
  3. 8. How much the atom weighs, determined by the number of protons and neutrons
  4. 10. The number that determines the identity of the atom and the number of protons
  5. 12. When an atom is more likely to react with another in order to form a full outer shell
  6. 13. These are located on the far right of the periodic table
  7. 14. The electrons that an atom has on it's outermost shell
Down
  1. 1. These are metals located in the middle of the table, also known as the "Bridge"
  2. 3. Group of metals that are found naturally, located next to the alkali metals
  3. 4. These are the horizontal rows on the periodic table
  4. 6. An array of chemical elements arranged by atomic number, what this crossword is about
  5. 7. These are located in the "staircase" and are a cross between metals and nonmetals
  6. 9. Highly reactive metals, also known as the lithium family
  7. 11. These take up most of the periodic table
  8. 15. Highly unreactive gases located in the very last column of the periodic table