Across
- 2. Cu
- 5. element that has the atomic mass 207.2
- 6. element with the atomic number 50
- 8. in the 8th group and the 4th period
- 9. in the 15th group and 6th period
- 11. Elements on the right side of the "stairsteps"
- 15. element that has the atomic mass 19
- 18. has the atomic number 36
- 19. under the symbol in the element
Down
- 1. element with the atomic number 79
- 3. horizontal rows of the periodic table
- 4. in the 1st group and 2nd period
- 7. element with atomic mass 92.91
- 10. Symbol for Manganese
- 11. element with the atomic number 10
- 12. The top # in the element
- 13. What is the symbol for silicon?
- 14. vertical columns of the periodic table
- 16. has the atomic mass 14.01
- 17. element that makes balloons float