Periodic Table

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Across
  1. 6. I have 4 electron shells and 5 valence electrons. What element am I?
  2. 8. I have 3 electron shells and 6 valence electrons. What element am I?
  3. 10. I have 5 electron shells and 1 valence electron. What element am I?
  4. 12. I have 2 electron shells and 1 valence electron. What element am I?
  5. 13. My name is niobium. How many neutrons do I have?
  6. 14. I am in group 1 - they call me an ______ metal
  7. 17. My symbol is Ag. How many protons do I have?
  8. 18. My symbol is Si. How many neutrons do I have?
  9. 19. My symbol is K. How many electrons do I have?
Down
  1. 1. I have 2 electron shells and 4 valence electrons. What element am I?
  2. 2. My symbol is W. What is my name?
  3. 3. I have 3 electron shells and 3 valence electrons. What element am I?
  4. 4. My symbol is Os. What is my name?
  5. 5. My name is iron. How many neutrons do I have?
  6. 7. I have 4 electron shells and 2 valence electrons. My atomic number is 20. What element am I?
  7. 9. I have 5 electron shells and 7 valence electrons. My atomic number is 35. What element am I?
  8. 10. I have 3 electron shells and 7 valence electrons. My atomic number is 17. What element am I?
  9. 11. My name is strontium. How many neutrons do I have?
  10. 15. I am in group 0 - they call me a ______ gas
  11. 16. I have 2 electron shells and 8 valence electrons. What element am I?
  12. 20. My symbol is He. How many protons do I have?