Facts About Calcium
Some interesting facts about calcium are mentioned below:
- Abundant Element: Calcium is the fifth most abundant element in the Earth’s crust.
- Discovery: Sir Humphry Davy first isolated calcium in 1808 through the electrolysis of a mixture of lime and mercuric oxide.
- Biological Role: Calcium ions play a key role in cell signalling and muscle contraction.
- Flame Test: Calcium compounds emit a characteristic brick-red flame when burned.
- Isotopes: Calcium has six stable isotopes, with Ca-40 being the most abundant.
Calcium
Calcium is an important chemical element. It plays an important role in chemistry as well as in the function of our body. Calcium is well known for its applications ranging from whitewashing and the formation of marble to strengthening our bones and teeth. It was discovered by Humphry Davy in 1808.
This article deals with calcium, its properties, applications, and more.
Element Name |
Calcium |
---|---|
Symbol |
Ca |
Atomic Number |
20 |
Mass Number |
40 g/mol |
Valency |
2 |
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