Across
- 3. It's number 6 on row 2, and you say this word before dioxide
- 6. It's atomic number is 55.933
- 7. Its atomic number is 131.29
- 8. It's the only non-metal on the metal side of the periodic table.
- 11. its atomic number is 118.71
- 12. Its alkali metal and its atomic number is 223.02
- 14. Its atomic number is 107.868
Down
- 1. Its atomic number is 18.998
- 2. It's a noble gas and its atomic number is 39.948
- 4. Its atomic number is 196.967
- 5. Its atomic number is 15.999
- 8. It's atomic number is 4.003
- 9. It's the last element on row 2 of the periodic table
- 10. Its number 5 on row 2 of the periodic table
- 13. It's number 28 on row 4 and its atomic number is 58.693