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 must be prepared …

Dec 4, 2025 · sodium (Na), chemical element of the alkali metal group (Group 1 [Ia]) of the periodic table. Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the …

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 need to …

Dec 19, 2025 · Sodium is a mineral that helps regulate blood pressure and nerve function. Most people get more sodium than they need, which may increase the risk of heart disease.

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 electrolysis of …

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 demonstrated that …

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.

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 must be prepared …

Sodium (chemical symbol Na, atomic number 11) is a member of a group of chemical elements known as alkali metals. Silvery in color, it is soft, waxy, and lightweight. It is highly reactive, oxidizing rapidly …