Periodic Table
Across
- 3. The first element discovered in modern times
- 6. I am found in organic chemistry
- 9. I have 53 protons
- 10. I am the element that is often found in batteries
- 11. I am found in swimming pools
- 16. The first metal element discovered in ancient times
- 18. Elements in the same group have the same number of ____ electrons
- 19. I have a molar mass of 209 amu
- 20. Has the largest atomic radius
- 22. Atomic radius ____ as you go up the periodic table
- 24. I am a noble gas in period 5
Down
- 1. As an ion, Sulfur has a charge of positive ___
- 2. Has the chemical symbol-Fe
- 4. I am a transition metal found in group 3, period 4
- 5. I am found in fruits and vegetables
- 7. My chemical symbol is W
- 8. To fulfill the octet rule, aluminum will ____ electrons
- 11. I am found in shells and bones
- 12. Alkali metals are found in group ____
- 13. Electronegativity ____ as you go up the periodic table
- 14. I am found in salt and am in group 1
- 15. I am the element that makes balloons fly.
- 17. I am a metalloid in period 3
- 21. As an ion, it has a charge of +1 and is in period 6
- 23. Elements in the same period have the same number of _____