periodic table
Across
- 1. This element is used in batteries.
- 6. Element with atomic number 79.
- 9. Group 17 element known as a disinfectant.
- 10. The only metal that is liquid at room temperature.
- 11. This element is used to disinfect water.
- 12. A transition metal that is magnetic.
- 13. The most abundant metal in the Earth's crust.
Down
- 2. Element named after the creator of the periodic table.
- 3. The lightest element.
- 4. An element essential for strong bones.
- 5. Group 1 element that is the most reactive metal.
- 7. Group 18 gas used in balloons.
- 8. This element’s name means "water-former" in Greek.
- 9. A non-metal used in pencils.
- 14. A noble gas used in neon signs.