Properties
* Calcium is a reactive metal and readily forms compounds with other elements.
* It is a good conductor of electricity and heat.
* Calcium is a relatively soft metal, with a Mohs hardness of 1.5.
* It has a melting point of 842 °C (1,548 °F) and a boiling point of 1,484 °C (2,703 °F).
* Calcium is a vital mineral for humans and other animals. It is essential for the formation and maintenance of bones and teeth, and for muscle contraction and blood clotting.
Uses
Calcium is used in a variety of applications, including:
* Construction: Calcium is used in the production of cement, mortar, and plaster.
* Steelmaking: Calcium is added to steel to improve its strength and toughness.
* Food processing: Calcium is used as a food additive to improve the texture and flavor of food.
* Water treatment: Calcium is used to remove impurities from water.
* Medicine: Calcium is used to treat a variety of medical conditions, including osteoporosis, hypocalcemia, and heartburn.
Health effects
Calcium is an essential mineral for human health. The recommended daily intake of calcium for adults is 1,000 mg. Calcium deficiency can lead to a number of health problems, including osteoporosis, weak bones, and muscle cramps.
Calcium supplements are available over-the-counter and can be taken to help meet the daily calcium requirement. However, it is important to talk to a doctor before taking calcium supplements, as too much calcium can also cause health problems.
