Sodium - Na
By: Leslie Kwok
Basic Information
Symbol - Na
Atomic Number - 11
Atomic Weight - 22.990
Group - Alkali metal (group 1)
Period - 3
Color - Silvery white
Classification - Metallic
Sodium History
- Sodium was discovered in 1807, at England by Sir Humphry Davy
- Sodium was collected at the cathode
- Sodium this word cam from English name "Soda"
- Sodium was one of the element the has an alchemical symbol
Uses Of Sodium
- Sodium compounds including common salt, soda ash, baking soda, and caustic soda
- Caustic soda is important to the paper, glass, soap, textile, petroleum, chemical, and metal industries
- Soap is generally a sodium salt of fatty acids
- Sodium is used in the reduction of organic esters
- It is in the preparation of organic compounds
- Sodium vapor is used in lamps or street lighting
Sodium Around Us
- Life could not exist without compounds of sodium
- Human diet must contain a sensible amount of sodium
- The sodium cation is the main extracellular (outside cells) cation in animals and is important for nerve function in animals
- Prolonged sweating results in sodium ion loss in sweat and it is most important that the sodium ion is replaced through proper diet
- It helps maintains the fluid balance in the body
- Sodium influences contraction and relaxation of muscles
- Sodium compounds hold water in body tissues
- It allows nutrient absorption
TOO MUCH SALT MIGHT BE DANGEROUS!!!!!!
More About Sodium
- It never found as the free element in nature
- Is the sixth most abundant element in the earth's crust
- Sodium is very reactive
- It is combustible
- It has a melting point at 97.72 Celsius
- Sodium has an characteristic of orange or yellow color to flames