Na 11

Sodium !

Sodium or Na's atomic mass is 22.99 amu! The cost of pure Sodium is $25/100grams. This chemical is used for salt, helps our body and brain to regulate, sodium chloride, health therapies, and many more uses.  An interesting fact about Sodium is that

its highly reactive! The pure metal is kept under oil or kerosene because it spontaneously ignites in water. Also, sodium metal also floats on water! Na was discovered by

Humphry Davy in 1807. A slogan for sodium is like  "food without sodium is like pancakes without any syrup, tastless".

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