What is a Sodium (Na) ?

Sodium (Na) is an alkali metal element with the atomic number 11. It is a silvery-white, highly reactive metal that reacts rapidly with moisture in the air to form oxides and hydroxides. Because of its high reactivity, sodium is rarely found in its pure form in nature, but it is commonly found in compounds, especially as sodium chloride (NaCl), commonly known as table salt, which is an essential substance in everyday life.

Sodium plays a crucial role in the human body, particularly in maintaining fluid balance. It is essential for nerve transmission and muscle contraction. However, excessive sodium intake can lead to high blood pressure, so it is important to maintain an appropriate level of sodium consumption for good health.

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