Across
- 3. I Have 136 Neutrons
- 5. My Mass Is 28.086
- 10. I Am Part Of The Transition Metals
- 11. My Chemical Symbol is As and I Was Discovered By Albertus Magnus
- 12. My Mass Is 289
- 13. I Am The Rarest Naturally Occurring Element In The Earth's Crust
- 15. I Am Silvery-White Lustrous Metal With A Slight Golden Tinge
- 16. I Can Be Created In A Laboratory But Is Not Found
- 18. My Group Is 13
- 20. I Am The Sixth Element In Group 2
- 21. I Have 23 Protons
Down
- 1. I Am A Silvery-White Metal That Is Soft Enough To Easily Cut With A Knife
- 2. My Mass Is 32.065
- 4. I am the 7th Heaviest Known Element
- 6. My Chemical Symbol Is Cr
- 7. I Am Second-Heaviest Known Element
- 8. I Have 27 Protons
- 9. I Am An e Extremely Radioactive Synthetic Element
- 14. I Am A Slightly Brittle Metal At Room Temperature And Has A Shiny-Greyish Appearance When Oxidation Is Removed.
- 17. My Atomic Number Is 79
- 19. I Am Part Of The Noble Gases
