Crossword for Elisha

1234567891011
Across
  1. 1. largest element
  2. 3. form of nuclear technology
  3. 6. number of columns on the periodic table
  4. 8. first element in the periodic table
  5. 10. opposite of metal
  6. 11. prefix for one used in element names
Down
  1. 2. the most common gas in the atmosphere
  2. 3. element with 8 valence electrons
  3. 4. negatively charged ion
  4. 5. popular website for budget purchases
  5. 7. number of hydrogen atoms in a water molecule
  6. 9. number of valence electrons in chlorine