Calcium

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

 Suzanne Shriek - 1/15/2008 12:13:50 AM

Depends on what you mean. There is 3.6 percent by mass in the earth's crust.

---- - 1/13/2008 3:19:47 PM

What is the actual cost for calcium and where did you get it? I need bibliography...=)

Maurine Laklie - 1/8/2008 3:00:50 PM

what can calcium react with?

Maurine Laklie - 1/8/2008 2:58:28 PM

How does calcium build strong bones?

Crystal Parker - 1/8/2008 2:56:00 PM

yes it is actually, but it is only put in some fireworks, only for color.

Liza Simmons - 1/8/2008 2:54:35 PM

is calcium in fireworks?

Liza Simmons - 1/8/2008 2:51:37 PM

is calcium radioactive?

Crystal Parker - 1/8/2008 2:50:21 PM

it was invented by sir humphry davy in 1808

Liza Simmons - 1/8/2008 2:49:51 PM

when was calicum invented?

Maurine Laklie - 1/8/2008 2:47:13 PM

what are some websites i can research on?

Maurine Laklie - 1/8/2008 2:45:46 PM

sir humphry davy

Crystal parker - 1/8/2008 2:43:47 PM

it is 4.2% =]

Maurine Laklie - 1/8/2008 2:43:17 PM

so what do you guys know about calcium?

Crystal parker - 1/8/2008 2:42:30 PM

who is the founder of Calcium?

Maurine Laklie - 1/8/2008 2:42:19 PM

i think theres 2 valance electrons

Maurine Laklie - 1/8/2008 2:41:46 PM

how much of calcium is in the earths crust?
+

Crystal parker - 1/8/2008 2:37:01 PM

how many valence electrons are in Calcium?

 Kyle Zuniga - 1/5/2008 7:29:49 AM

also does anyone know who named it and why?

 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