1. Sodium Regina Choi www.made-in-china.com

2. www.bloodpressurereading.n et

3. nfttu.blogspot.com

4. Sodium ? Is an element which has the symbol Na (Latin natrium, from Arabic natrun),LatinArabic sodium was first isolated by Davy in 1807 by electrolysis of caustic soda. Sodium is the fourth most abundant element on earth (comprising about 2.6% of the earth's crust; it is the most abundant of the alkali group of metals. ) reactive with water.water http://periodic.lanl.gov/elements/11.ht ml

5. Humphry Davy discover Sodium Was born in Penzance, Cornwall, England in 1778. Davy published details of his research in his book Researches, Chemical and Philosophical (1799). Pure sodium was first isolated by Humphry Davy in 1807 through the electrolysis of caustic soda (NaOH). http://www.lenntech.com/Periodic-chart-elements/na-en.htm

6. sodium? Atomic Number:11 Atomic Symbol: Na Melting Point:97.8 ?C Atomic Weight: 22.98977 Boiling Point:883 ?C Electron Configuration:1s22s22p63s1 http://chemistry.about.com/od/periodictableelements/ig/ Elements-in-the-Human-Body/Sodium.--Wj.htm

7. Sodium’s characteristics Mixed with a water. Salty taste. Hard. Be a gas at 1,400˚C. At 800˚C be a liquid. Never rotten.

8. Sodium is using for Food (salt) Animal nutrition. Sodium compounds are used in the glass, soap, paper, textile, chemical, petroleum, and metal industries. http://chemistry.abou t.com/od/periodictabl eelements/ig/Elemen ts-in-the-Human- Body/Sodium.-- http://chemistry.abou t.com/od/periodictabl eelements/ig/Elemen ts-in-the-Human- Body/Sodium.-- Wj.ht

9. Sodium is using for Associated Uses of Sodium Medicine Agriculture Manufacture of organic compounds To purify molten metals Sodium carbonate soap cleaners Sodium hydroxide soap cleaners Sodium bicarbonate Sodium chloride Sodium hypochlorite Sodium nitrate Naproxen sodium Sodium silicate : http://www.chemicalelements.com/elements/na.html

10. Sodium is finding from From earth's oceans It is also a component of many minerals www.naver.com/sodium

11. To separate sodium from nature sources? A saltpan (from ocean) They dry the sea water and get a sodium (salt). www.cyworld.kr

12. Bohr Diagrams of Sodium  upload.wikimed ia.org