Periodic Table

3. I am a metal which is liquid at room temperatures
8. I am an inactive gas
9. I am the lightest metal with an oxidation number +3 and my symbol B
10. I am the lightest of all the elements
11. I am the heaviest of the stable halogens
13. I was discovered and named by Marie Curie, the mother of radioactivity
14. I am a poison with the valence electron charge of -3
16. My atomic mass is 32.064
17. My most common oxidation state is -2
21. I am the first element in group 6
23. I have 26 protons
24. I am a metal with 28 electrons
26. I am an alkali metal and you need me to survive, but too much of a good thing is also bad for you
27. I am an alkaline earth metal and found in your bones
28. My atomic number is 74

1. My chemical symbol is C
2. I am a noble gas from the 5th period
4. I am extremely radioactive and my mass weight is 238.03
5. I am an alkaline earth metal and I burn pink!
6. I am between nickle and zinc on the periodic table
7. I can make your teeth stronger and I have the electron charge of -1
10. After hydrogen I am the most abundant element in the universe and I am an alkaline earth metal
12. I am an alkaline earth metal that is in the 6th period
15. My chemical symbol is K
18. I am an inert gas often used in signs
19. I am a hard, brittle crystalline solid commonly found in many electronic devices and I even have a valley named after me
20. I am a cation and often found in batteries
21. I am a halogen often used as a bleaching agent
22. I am an alkaline earth metal found between calcium and barium
24. I make up nearly 80% of air and am found in the 15th group
25. My symbol is Pb
29. I am a precious metal and my atomic number is 79