Periodic Table and Valence Electrons

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Across
  1. 3. term used to describe metallic elements as "shiny"
  2. 5. the vertical columns on the periodic table
  3. 8. these elements touch the staircase on the periodic table
  4. 9. he is often referred to as the father of the periodic table but his version was organized by atomic weigh
  5. 10. an anion with a positive charge
  6. 13. non-metal elements _______ valence electrons to form ions
  7. 15. to flatten out when hammered
  8. 17. the horizontal rows on the periodic table
Down
  1. 1. they are used to represent the number of valence electrons around the symbol of an element
  2. 2. any element located in an A group is called a _________ element
  3. 4. ______metals are located in the B group locations on the periodic table
  4. 6. metal elements _______ valence electrons to form ions
  5. 7. Moseley's version of periodic differed from Mendeleev's and was arranged by _______ number
  6. 11. _____metals are very reactive with water and located in group 1A
  7. 12. ________rule states that atoms that have 8 valence electrons tend to very stable (unreactive)
  8. 14. ______gases are located in group 8A and are unreactive
  9. 16. an ion with negative charge