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Calcium - Wikipedia


Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray ... Discovery and first isolation, Humphry Davy (1808). Most stable ...

Calcium - Element information, properties and uses | Periodic Table


Element Calcium (Ca), Group 2, Atomic Number 20, s-block, Mass 40.078. Sources, facts, uses ... Discovered by, Humphry Davy. Origin of the name, The name ...

How was calcium discovered? | Reference.com


Sir Humphry Davy discovered calcium in 1808 by isolating the impure metal through the electrolysis of a lime and mercuric oxide mixture. He accomplished this ...

Chemistry for Kids: Elements - Calcium - Ducksters


Kids learn about the element calcium and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of  ...

Calcium, Chemical Element - structure, reaction, water, uses ...


Humans have used calcium compounds for hundreds of years in construction, sculpture, and roads. ... He also discovered nitrous oxide and two types of lamps.

Facts About Calcium - Live Science


Oct 26, 2016 ... Discovery. In 1808, Cornish chemist and inventor Sir Humphry Davy was the first person to successfully isolate calcium. A few other scientists, ...

Calcium - Chemicool


People have used calcium's compounds for thousands of years – in cement, for example. Limestone [calcium carbonate] was called ...

#20 - Calcium - Ca


Origin of Name, From the Latin word calcis, meaning lime. Date of Discovery, 1808 in England. Discovered by, Sir Humphry Davy. Common Compounds.

Chemical Elements.com - Calcium (Ca)


Facts. Date of Discovery: 1808. Discoverer: Sir Humphrey Davy Name Origin: From the latin word calcis (lime) Uses: life forms for bones and shells. Obtained ...

What is Calcium? - Site Index


Compounds of calcium such as limestone, chalk, marble and gypsum plaster have been in use since antiquity. The Ancient Romans discovered concrete by ...

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Calcium»historical information [WebElements Periodic Table]


Calcium was discovered by Sir Humphrey Davy at 1808 in England. ... Compounds such as lime (CaO, calcium oxide) were prepared by the Romans in the first ...

It's Elemental - The Element Calcium


The Element Calcium - Basic Physical and Historical Information.

Who Discovered Calcium?


Thanks to person who discovered calcium before, this element is now known to be abundantly in existence together with the other crucial elements.