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Calcium

Discussion board (posts 461-480)

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E-mail address abbie k - 10/19/2008 10:09:20 PM

you can find some great answers on my list for anyone new. I hope any info i put up helps someone.

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science freak 101 - 10/19/2008 10:06:45 PM

  abbie k - 10/19/2008 10:04:12 PM
  here is a long list of true info for anyone who needs help with a project about calcium

Symbol Ca
Atomic number 40.078
atomic mass 20
# of protons 20
# of neutrons 20
# of electrons 2
melting point 842c
boiling point 1484c
state of matter solid
cost .11 for 1 gram 11.oo for 100 grams and 0.55 for 5 grams
classification metal
belongs to the Alkaline earth metals family
orgin name is calcis (lime) latin
Discoverd by Sir Humphrey Davy (England) in 1808
I hope this helps someone who really needs it. All these facts are true. I used them for a project and made a A+ and im in 8th grade. Thanks sooo much!

you are sooo right! every answer is sooo right. you must be very smart! i love science.

  Reply

abbie k - 10/19/2008 10:04:12 PM

here is a long list of true info for anyone who needs help with a project about calcium

Symbol Ca
Atomic number 40.078
atomic mass 20
# of protons 20
# of neutrons 20
# of electrons 2
melting point 842c
boiling point 1484c
state of matter solid
cost .11 for 1 gram 11.oo for 100 grams and 0.55 for 5 grams
classification metal
belongs to the Alkaline earth metals family
orgin name is calcis (lime) latin
Discoverd by Sir Humphrey Davy (England) in 1808
I hope this helps someone who really needs it. All these facts are true. I used them for a project and made a A+ and im in 8th grade. Thanks sooo much!

  Reply

abbie - 10/19/2008 9:55:06 PM

hey its me again. one awesome fact about calcium is that its the 5th most abundant thing in earths crust. Hope this helps someone cause it helped me!

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abbie - 10/19/2008 9:53:39 PM

just to let yall know 1 totally awesome fact about calcium is that 50-75% of adults do not get enough calcium daily. hope this helps someone!

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Emma - 10/15/2008 3:14:50 AM

  E-mail address lynn - 10/14/2008 2:14:55 AM
  I need to know what is the going market price for one gram of calcium. I also need to know where I could purchase it in its raw state for an experiment.

It costs $0.11 per gram.. I don't know where you can find it though..

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me - 10/14/2008 6:38:07 PM

  E-mail address steva - 1/7/2006 9:42:43 PM
  why is the chemical symbol for the element iron written "fe" instead of "I"

because its based on latin word for iron not english

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E-mail address lynn - 10/14/2008 2:14:55 AM

I need to know what is the going market price for one gram of calcium. I also need to know where I could purchase it in its raw state for an experiment.

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E-mail address MARISA - 10/5/2008 7:31:57 PM

how much does it cost for l gram of calcium?

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E-mail address MARISA - 10/4/2008 8:27:04 PM

how much does it cost?

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no name - 10/2/2008 5:40:54 PM

What type of element is calcium? i need to know ASAP.. like really ASAP.. Thank you!..[xp

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anonymous - 9/30/2008 6:13:32 PM

Hey, what are like 6 interesting facts about calium?
Thank you !

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E-mail address Nora Smith - 9/25/2008 5:32:52 PM

  E-mail address yoyi - 9/24/2008 1:35:22 AM
  Alkaline Earth Metals

Alkine earth metals

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E-mail address Nora Smith - 9/25/2008 5:30:52 PM

HEy i'm doing a science project and since is very hard on calicum (real hard I have to do it no changing) whats a oxidation state it has 2 but what is it Please help me nora smith

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E-mail address yoyi - 9/24/2008 1:35:22 AM

  E-mail address shanelle - 9/23/2008 8:02:59 AM
  what family does calcium belong to?

ASAP PLEASE!

Alkaline Earth Metals

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E-mail address shanelle - 9/23/2008 8:03:31 AM

what family does calcium belong to?

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E-mail address shanelle - 9/23/2008 8:02:59 AM

what family does calcium belong to?

ASAP PLEASE!

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E-mail address alysa - 9/22/2008 5:17:35 PM

how many neutons does calcium have?

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E-mail address lisha - 9/21/2008 4:08:26 AM

  E-mail address tina - 9/17/2008 6:34:01 PM
  And what is the mass of calcium? Please and thank you.

40.078

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E-mail address lisha - 9/21/2008 4:07:54 AM

  E-mail address lisha - 9/21/2008 3:32:35 AM
  what is the normal phrase for clacium?

solid

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