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 ...
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
Sir Humphry Davy discovered calcium in 1808 by isolating the impure metal
through the electrolysis of a lime and mercuric oxide mixture. He accomplished
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.
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 ...
Humans have used calcium compounds for hundreds of years in construction,
sculpture, and roads. ... He also discovered nitrous oxide and two types of lamps.
Kids learn about the element calcium and its chemistry including atomic weight,
atom, uses, sources, name, and discovery. Plus properties and characteristics of
Origin of Name, From the Latin word calcis, meaning lime. Date of Discovery,
1808 in England. Discovered by, Sir Humphry Davy. Common Compounds.
Named from the Latin word meaning "lime", calcium is a fairly soft, ... Year
Discovered ... Calcium is used in alloys with other metals and in purifying
Compounds of calcium such as limestone, chalk, marble and gypsum plaster
have been in use since antiquity. The Ancient Romans discovered concrete by ...