Chemistry terms.

123456789
Across
  1. 3. positive charged atom
  2. 5. what is calciums number on the periodic table
  3. 6. negative charged atom
  4. 8. what is hydrogens number on the periodic table
  5. 9. what is oxygens number on the periodic table
Down
  1. 1. what is heliums number on the periodic table
  2. 2. what is nitrogens number on the periodic table
  3. 4. what is lithiums number on the periodic table
  4. 5. two what is the titanium number on the periodic table
  5. 7. what is flourines number on the periodic table