Periodic Table: Transition Metals

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Across
  1. 2. Found between titanium and chromium on the Periodic Table
  2. 5. Transition metal historically heavily used in plumbing
  3. 6. Symbol Au
  4. 8. Atomic number 78
  5. 13. This anhydrous transition metal chloride changes from blue to pink when water is added
  6. 14. Atomic mass 261
  7. 15. Symbol W
  8. 16. Electron configuration [Kr] 4d5 5s1
  9. 17. Trace mineral essential for the immune system
  10. 20. Electron shell arrangement [2, 8, 18, 18, 1]
Down
  1. 1. Group 12 transition metal between zinc and mercury
  2. 3. Used in thermometers
  3. 4. First transition metal, smallest atomic mass
  4. 7. Transition metals often exist in a variety of differently colored compounds due to various ... states
  5. 9. Transition metals are found between Group 2 and Group ... on the Periodic Table
  6. 10. 5 cents coin transition metal
  7. 11. Steel is an alloy of carbon and the transition metal ...
  8. 12. Atomic number of manganese
  9. 18. Symbol Fe
  10. 19. Named for its many-colored compounds, exists in the oxidation states of -2 to +6