Across
- 4. number one in the table
- 8. number of protons
- 10. number 16 in the table
- 13. number 7 in the table
- 14. a thing that is not metal
Down
- 1. A element that we breathe
- 2. a column of elements in the table the periodic _____
- 3. a element term for metals
- 5. the gas inside a balloon
- 6. number 28 in the table Noble Gases seven elements in group 18
- 7. number 5 in the table
- 8. number 13 in the table
- 9. number 6 in the table
- 10. number 11 in the table
- 11. number 93 in the table
- 12. number 26 in the table
