Across
- 1. atomic number 86
- 4. first atom in bisulfate
- 6. this element is in bananas and good for your muscles
- 8. this element is used for electrical wires
- 9. gold, silver, and what metal are the precious metals
- 11. only liquid metal on periodic table
- 14. you are breathing it right now 80% of the air
- 15. atomic number 16
- 16. mass number is 119
- 17. a negative ion
- 20. this element is to the left of carbon in the table.
Down
- 2. you are breathing it right now 20% the air
- 3. this element is used in drinking water and swimming pools
- 5. precious metal worth less than gold
- 7. atomic mass of 25.305
- 8. first atom in acetate
- 10. this element is a metal and used to build skyscrapers
- 12. this element is in milk and good for your bones
- 13. noble gas that sounds like Superman's kryptonite
- 18. a positive ion
- 19. an atom with an electrical charge