atoms/periodic table

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Across
  1. 2. key element of pennies
  2. 6. the element in bananas
  3. 7. a shade of blue
  4. 10. a reactant of cellular respiration
  5. 11. atomic number 10
  6. 13. 2 valence electrons
Down
  1. 1. makes your voice higher pitched
  2. 3. used to make the water compound (not oxygen
  3. 4. 5 cents
  4. 5. atomic mass of 12
  5. 6. atomic mass of 195
  6. 8. atomic mass of 48(rounded)
  7. 9. yellow and used in jewelry
  8. 12. its in our blood