Magnesium (Mg) forms different compounds with various elements and compounds. Some common magnesium compounds include:

Magnesium Oxide (MgO) - A white solid that is commonly used in the production of refractory materials and as a dietary supplement.

Magnesium Hydroxide (Mg(OH)2) - Also known as milk of magnesia, it is used as an antacid and laxative.

Magnesium Bicarbonate (Mg(HCO3)2) - A complex formed when magnesium hydroxide reacts with carbonic acid. It is found naturally in mineral waters.

Magnesium Carbonate (MgCO3) - A white solid that is used in the production of antacids and as a drying agent.

Magnesium Hydrogen Carbonate (MgHCO3) - A compound formed when magnesium hydroxide reacts with carbonic acid. It is used in the treatment of acid indigestion and heartburn.

Magnesium Sulfate (MgSO4) - Also known as Epsom salt, it is commonly used as a saline laxative and in bath salts for relaxation.

Magnesium Chloride (MgCl2) - A compound used as a supplement to correct magnesium deficiency in the body. It is also used in the production of magnesium metal.

These are just a few examples of the many compounds that magnesium can form. Each compound has its own unique properties and uses in various industries and applications.