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Calcium
Discussion board (posts 401-420)
>> Back to key information about the element
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Jeremy - 1/15/2008 5:10:49 AM
funny you mention this project. I'm doing the same project, and same element. www.chemicool.com and www.popsci.com/popsci/periodictable/ are good sites
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 Suzanne Shriek - 1/15/2008 12:13:50 AM
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Maurine Laklie - 1/8/2008 2:41:46 PM |
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how much of calcium is in the earths crust?
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Depends on what you mean. There is 3.6 percent by mass in the earth's crust.
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---- - 1/13/2008 3:19:47 PM
What is the actual cost for calcium and where did you get it? I need bibliography...=)
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Maurine Laklie - 1/8/2008 3:00:50 PM
what can calcium react with?
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Maurine Laklie - 1/8/2008 2:58:28 PM
How does calcium build strong bones?
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Crystal Parker - 1/8/2008 2:56:00 PM
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Liza Simmons - 1/8/2008 2:54:35 PM |
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is calcium in fireworks? |
yes it is actually, but it is only put in some fireworks, only for color.
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Liza Simmons - 1/8/2008 2:54:35 PM
is calcium in fireworks?
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Liza Simmons - 1/8/2008 2:51:37 PM
is calcium radioactive?
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Crystal Parker - 1/8/2008 2:50:21 PM
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Liza Simmons - 1/8/2008 2:49:51 PM |
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when was calicum invented? |
it was invented by sir humphry davy in 1808
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Liza Simmons - 1/8/2008 2:49:51 PM
when was calicum invented?
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Maurine Laklie - 1/8/2008 2:47:13 PM
what are some websites i can research on?
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Maurine Laklie - 1/8/2008 2:45:46 PM
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Crystal parker - 1/8/2008 2:42:30 PM |
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who is the founder of Calcium? |
sir humphry davy
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Crystal parker - 1/8/2008 2:43:47 PM
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Maurine Laklie - 1/8/2008 2:41:46 PM |
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how much of calcium is in the earths crust?
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it is 4.2% =]
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Maurine Laklie - 1/8/2008 2:43:17 PM
so what do you guys know about calcium?
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Crystal parker - 1/8/2008 2:42:30 PM
who is the founder of Calcium?
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Maurine Laklie - 1/8/2008 2:42:19 PM
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Crystal parker - 1/8/2008 2:37:01 PM |
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how many valence electrons are in Calcium? |
i think theres 2 valance electrons
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Maurine Laklie - 1/8/2008 2:41:46 PM
how much of calcium is in the earths crust?
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Crystal parker - 1/8/2008 2:37:01 PM
how many valence electrons are in Calcium?
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Kyle Zuniga - 1/5/2008 7:29:49 AM
also does anyone know who named it and why?
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Kyle Zuniga - 1/5/2008 6:07:23 AM
what is the electron affinity, ion notation with charge, and ionization energy of calcium cause i looked everywhere and i can't find it. and i got a project on it i just missing those 3 parts so can someone help me please
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