The Periodic Table

2. I am the first element in group 14 of the periodic table and am the basis of life.
4. I have 20 neutrons and am found in your teeth and bones.
8. I am a noble gas that you can find in colourful signs.
9. I have 26 protons.
10. I am a gas with 8 protons and 8 neutrons.
12. I am the second most abundant element in the earth's crust and have 14 neutrons.
14. I am a transition metal with 30 electrons useful in making paint.
15. I am a member of the alkaline earth metals used to make fireworks and medicines.
18. I am a gas with the mass number of 18.998.
20. My atomic number is 79.

1. I am the first element in the fourth period of the periodic table and am used too make fertilizer.
3. I make up 78% of the air and am found in the 15th group.
5. I am a transition metal with 25 electrons.
6. My atomic mass is 35.435.
7. I am not really an alkali metal, but since I have only 1 electron I behave like them.
11. I am a metal with 28 electrons.
12. I am a silvery white metal used to make salt.
13. I am a noble gas with 2 electrons.
16. My atomic number is 47 and I am used to make photographic film.
17. I am in the nitrogen group and have 16 neutrons.
19. I am a member of the carbon family often mistaken for the end of your pencil.