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
Kids learn about the element calcium and its chemistry including atomic weight,
atom, uses, sources, name, and discovery. Plus properties and characteristics of
Humans have used calcium compounds for hundreds of years in construction,
sculpture, and roads. ... He also discovered nitrous oxide and two types of lamps.
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, ...
People have used calcium's compounds for thousands of years – in cement, for
example. Limestone [calcium carbonate] was called ...
Origin of Name, From the Latin word calcis, meaning lime. Date of Discovery,
1808 in England. Discovered by, Sir Humphry Davy. Common Compounds.
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 ...
Compounds of calcium such as limestone, chalk, marble and gypsum plaster
have been in use since antiquity. The Ancient Romans discovered concrete by ...