Krypton hydroxide

List of periodic table elements 1-20

1. Hydrogen (Hy)

2. Helium (H)

3. Lithium (L)

4. Beryllium (B)

5. Boron (Bo)

6. Carbon (Ca)

7. Nitrogen (Ni)

8. Oxygen (Ox)

9. Fluorine (Fl)

10. Neon (N)

11. Sodium (S)

12. Magnesium (M)

13. Aluminum (Am)

14. Silicon (Sc)

15. Phosphorus (Po)

16. Sulfur (Su)

17. Chlorine (C)

18. Argon (A)

19. Potassium (P)

20. Calcium (Cl)

March 2010

Welcome to Wikipedia. The recent edit that you made to the page User:Tewapack has been reverted, as it appears to be unconstructive. Please use the sandbox for testing any edits; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing for further information. Thank you. Excirial ^{(Contact me,Contribs)} 17:22, 23 March 2010 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to the page User talk:White Shadows. Such edits constitute vandalism and are reverted. Please do not continue to make unconstructive edits to pages; use the sandbox for testing. Thank you. Excirial ^{(Contact me,Contribs)} 17:22, 23 March 2010 (UTC)

Please do not vandalize pages, as you did with this edit to User:White Shadows. If you continue to do so, you will be blocked from editing. Excirial ^{(Contact me,Contribs)} 17:22, 23 March 2010 (UTC)