It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature and …

Dec 4, 2025 · In 1807 Sir Humphry Davy became the first to prepare sodium in its elemental form, applying electrolysis to fused sodium hydroxide (NaOH). Sodium is an important constituent of …

Sodium is essential to all living things, and humans have known this since prehistoric times. Our bodies contain about 100 grams, but we are constantly losing sodium in different ways so we …

Although sodium is the sixth most abundant element on earth and comprises about 2.6% of the earth's crust, it is a very reactive element and is never found free in nature. Pure sodium was …

Aug 1, 2024 · Maintaining proper sodium levels in your blood is critical to health. Learn about the symptoms of low sodium, sodium blood tests, and normal sodium levels.

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. It is now obtained commercially by the …

Sodium is present as salt (sodium chloride, NaCl) in huge quantities in underground deposits (salt mines) and seawater and other natural waters. It is easily recovered as a solid by drying.

Jun 10, 2025 · Get periodic table facts on the chemical and physical properties of the element sodium, along with history, uses, and other fun facts.

Apr 11, 2019 · Excess dietary sodium is a major contributor to hypertension, which is a leading preventable risk factor for cardiovascular disease. Randomized controlled studies …

The chemical abbreviation for sodium was first published by Jöns Jakob Berzelius in his system of atomic symbols. It is a contraction of the element's new Latin name natrium, which refers to …