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Calcium
Discussion board (posts 421-440)
>> Back to key information about the element
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 Hani Dbouk - 4/1/2008 4:46:49 AM
How much does Calcium cost per gram?
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jesenia - 3/20/2008 10:48:23 PM
how much does calcium cost?
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mk - 3/18/2008 2:56:34 AM
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[email protected] - 11/13/2006 12:19:19 AM |
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Where was the Element Calcium discovered at? |
England 1808 by Sir Humphry Davy
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jjj - 3/7/2008 3:32:47 PM
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ash - 3/2/2008 9:40:38 PM |
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how many neutrons are in calcium? please answer QUICKLY! |
there are 20 neutrons in calcium
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bl - 3/6/2008 8:22:03 PM
how does calcium get its name?
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JDJ - 3/6/2008 5:18:31 AM
how much does calcium cost? The other answers don't say.
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ash - 3/2/2008 9:40:38 PM
how many neutrons are in calcium? please answer QUICKLY!
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ash - 3/2/2008 9:38:59 PM
whats calcium's origin of name?
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Kelsey - 3/1/2008 5:44:06 PM
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nick - 2/1/2008 12:07:20 AM |
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im only 8, what is the atomic number of calcium? |
The atomic number of calcium is 20.
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anoymous - 2/6/2008 3:11:09 PM
how many valence electrons does calcium have?
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stanja - 2/4/2008 8:52:35 PM
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mika - 1/15/2006 3:22:06 PM |
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hello , what is the classification to the catagory calcuim ? Is it nonmetal,metal, or Metalloid? |
it is metal
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Answers - 2/2/2008 7:38:12 AM
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ginutssa - 10/18/2006 3:16:50 AM |
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PLEASE help how many isotopes |
Isotopes Relative atomic mass Abundance (%)
40Ca 39.9625911(3) 96.941(18)
42Ca 41.9586183(4) 0.647(9)
43Ca 42.9587668(5) 0.135(6)
44Ca 43.9554811(9) 2.086(12)
46Ca 45.953693(3) 0.004(3)
48Ca 47.952534(4) 0.187(4)
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nick - 2/1/2008 12:07:20 AM
im only 8, what is the atomic number of calcium?
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megan - 1/29/2008 7:10:19 PM
how much does calcium cost? who discovered it?
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Arielle - 1/22/2008 12:21:48 AM
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Jocelyn - 9/26/2007 11:46:21 PM |
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what is the cost of calcium in grams this if for a class project so I would realy appriciate your answer |
$0.11 per gram... it says that on another post... i'm not sure if it's correct though.
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Arielle - 1/22/2008 12:18:27 AM
How much does the element Calcium cost?
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VA - 1/16/2008 3:27:00 PM
how much does calcium cost?
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VA - 1/16/2008 3:23:40 PM
i am doing a project on calcium in chemistry. it is on the same element and is rather easy
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Answer - 1/16/2008 1:04:57 AM
Sir Humphrey Davis discovered Calcium and named it calx, calcis, or calz for lime in Latin. It changed to calcium.
3.2% of calcium is in the earth's crust.
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calcium girl - 1/15/2008 11:21:33 PM
how much does it cost of a pound of calcium? but not calcium found in vitamins just regular calcium like out of the ground
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