Name:
Sodium
Symbol:
Na
Atomic Number:
11
Atomic Mass:
22.9898
Atomic Volume:
23.80 cc/mol
Discovered By:
First isolated by Sir Humphrey Davy in 1807
Discovery Date:
1807
Origin of Name:
Sodium - (English) soda, (Latin) sodanum (headache remedy), the symbol Na comes from Natrium (Latin)
Toxicity:
Not toxic. Compounds are not toxic. Sodium hydroxide and sodium salts of weak acids (which, on hydrolysis, behave as alkalis) attack the skin.
Summary:
Sodium is not found as the free element in Nature. Sodium floats on water and reacts violently with it, possibly igniting. It reacts with water to form hydrogen gas (H
2
) and sodium hydroxide (NaOH). The most common compound of sodium is sodium chloride, NaCl, common table salt.
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