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Calcium

Discussion board (posts 381-400)

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neel - 1/3/2008 4:33:20 AM

  E-mail address erica pagie - 11/7/2007 3:09:15 AM
  there are 20 protons and 20 electrons!

anyways all elements at their neutral states have the same number of electrons and protons as its atomic number. to find the number of neutrons you round up the atomic mass to the first whole number and subtract the amount of protons and you have your answer.

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neel - 1/3/2008 4:29:57 AM

  anonymous - 12/10/2007 3:20:00 PM
  from the Latin word calx which means lime

or calcis

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E-mail address marty - 12/27/2007 5:55:50 AM

what is the pH of the element calcium?

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E-mail address Tyler - 12/13/2007 7:51:11 PM

  E-mail address Neeha - 12/13/2007 1:42:46 AM
  How much does calcium cost?

it costs about $0.11 per gram, or at least that's what ive heard.

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E-mail address Tyler - 12/13/2007 2:07:07 AM

I've heard it costs $0.11, is that correct? I would like to know by tomorrow.

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E-mail address Tyler - 12/13/2007 2:02:42 AM

  E-mail address Jade Carrillo - 11/6/2007 9:24:20 PM
  what is the color of the element calcium?

the color of calcium is silver.

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E-mail address Tyler - 12/13/2007 1:59:37 AM

I ask the same question. I am an 8th grade student, and im doing a report on the element Calcium. One of the questions we have to answer is How much does calcium cost in its elemental state? Please let me know! Thanks.

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E-mail address Neeha - 12/13/2007 1:42:46 AM

How much does calcium cost?

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E-mail address idk - 12/12/2007 1:43:50 AM

how flamable is calcium?

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anonymous - 12/10/2007 3:20:00 PM

  anonymous - 11/7/2006 1:02:57 AM
  whas the origin of calcium

from the Latin word calx which means lime

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E-mail address dyan - 12/7/2007 6:56:21 AM

  E-mail address daniel - 12/3/2007 4:42:14 AM
  is calcium flamable?

yes calcium is famable

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hi - 12/6/2007 3:00:31 PM

anyone got interesting facts on calcium?

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E-mail address daniel - 12/3/2007 4:42:14 AM

is calcium flamable?

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E-mail address Danielle - 11/20/2007 8:28:42 PM

what is the cost for calcium?

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anonymous - 11/19/2007 8:06:33 PM

  E-mail address gina - 11/19/2007 7:58:24 PM
  what is its normal phase?

solid at room temp

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anonymous - 11/19/2007 8:01:54 PM

How did calcium get its name?

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E-mail address gina - 11/19/2007 8:01:08 PM

what is the mormal phase of calcium?

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anonymous - 11/19/2007 8:00:56 PM

  E-mail address bailee - 11/7/2007 12:58:15 AM
  it is a solid at room temp.if you can't find the answer go to www.sciencespot.net

1808, sir humphrey Davy

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E-mail address gina - 11/19/2007 7:58:24 PM

what is its normal phase?

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E-mail address gina - 11/19/2007 7:58:04 PM

what is the cost of calcium?

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