2007-03-22 12:40:36 · 9 answers · asked by bouncy_tigger 1 in Science & Mathematics ➔ Chemistry
From the sea shells, lime.
2007-03-22 12:45:53 · answer #1 · answered by PJA 4 · 0⤊ 1⤋
Calcium is not found in its elemental form in nature - it is alwaws found as a compound.
Common examples of calcium compounds found in nature are: animal bones; shells of marine animals; limestone and chalk.
2007-03-22 19:45:50 · answer #2 · answered by davidbgreensmith 4 · 0⤊ 1⤋
Calcium is the most common element in most forms of rock and stone. It's also the major component in bones, shells, chalk, etc.
2007-03-22 19:44:47 · answer #3 · answered by Anonymous · 0⤊ 1⤋
In the compound Calcium Carbonate (limestone)!
2007-03-22 19:44:12 · answer #4 · answered by Evil Genius 3 · 0⤊ 1⤋
Never as the element, too reactive. Limestone, CaCO3 and Gypsum, CaSO4 are the principle sources in nature.
2007-03-22 22:31:58 · answer #5 · answered by Brian T 6 · 0⤊ 0⤋
In your bones, and in chalk (calcium carbonate)
2007-03-22 19:44:27 · answer #6 · answered by Astronomer1980 3 · 0⤊ 1⤋
group 2 period 3
2007-03-22 19:49:42 · answer #7 · answered by Dr Knight M.D 5 · 0⤊ 0⤋
i know that oyster shells have lots of calcium.
2007-03-22 19:48:53 · answer #8 · answered by leogirl 1 · 0⤊ 1⤋
Kylie Minogue would say...
It's in your bones!!!
2007-03-22 19:44:17 · answer #9 · answered by nickedsk8er 3 · 0⤊ 1⤋