Periodic Table Trends

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Across
  1. 1. I am a transition metal with an average mass of 95.95
  2. 6. I am the last element on the modern periodic table
  3. 7. I am named after what used to be a planet
  4. 9. I am element number 83
  5. 12. I am in period 5 and group 13
  6. 14. I am found in bananas
  7. 16. I am a noble gas in period 6
  8. 18. I am a diatomic non-metal in group 15
  9. 20. When you place me with hydrogen I make water
Down
  1. 2. I am named after the capital city of Russia
  2. 3. I have an average atomic mass of 24.305
  3. 4. I am the only Semimetal/Metalloid in group 13
  4. 5. I am the first Alkaline Earth Metal
  5. 8. My element symbol is Sg
  6. 10. I have only one proton
  7. 11. I am used to make the penny
  8. 13. I am used in nuclear power plants to generate heat/electricity
  9. 15. I am a liquid metal at room temperature
  10. 17. My element symbol is W
  11. 19. My symbol doesn't match my name, they use to call me aurum