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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 ...

Who Discovered Calcium?


Calcium is one of the few elements on the periodic table that was discovered several thousand years ago, and has been used in numerous ways since.

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


Calcium compounds are common and abundant in the Earth's crust. Humans have ... He also discovered nitrous oxide and two types of lamps. Davy grew up in ...

Facts About Calcium - Live Science


Apr 25, 2013 ... Word origin: The word calcium is derived from the Latin calx (lime). Discovery: The Romans prepared lime in the first century but did not ...

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  ...

A Brief History of Calcium Channel Discovery - Madame Curie - NCBI


Why was the calcium channel nearly overlooked at first, and why did it receive relatively little attention even after it was first discovered? Neural circuits like the ...

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 ...

eochemistry - Calcium


Whenever monuments or statues were built, limestone was being used (calcium carbonate). In 1808, Sir Humphry Davy (a British chemist) discovered Calcium ...

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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.

Calcium - Chemicool


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