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Helium
Discussion board (posts 141-160)
>> Back to key information about the element
There are 274 posts in this board. Newest 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 Oldest |
Tianna Nicholas - 2/2/2007 12:49:06 AM
I realy need to figure out who was the first person to find helium!! And i still can't find it and i went to ask.com and chem4kids.com and none of them work and told me and so if u can as soon as posible replie baack and tell me who the first person who found helium was!!!
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Ken - 2/2/2007 12:18:21 AM
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drew - 2/20/2005 11:58:27 PM |
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where was helium discovered?
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Helium was first discovered on the sun.
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grace:} - 2/1/2007 7:19:45 AM
Compounds in which it is commonly found?
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anonymous - 2/1/2007 2:34:15 AM
what was William Ramsay doing when he discovered helium
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Jan Straka - 1/28/2007 4:54:59 PM
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ALEC - 1/28/2007 2:07:24 PM |
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what family does helium belong to? |
Helium belongs to the Noble Gases family. It is group 18 in periodic table. To this group also belong Neon, Argon, Krypton, Xenon and Radon.
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ALEC - 1/28/2007 2:07:24 PM
what family does helium belong to?
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... - 1/22/2007 12:13:59 AM
I need to know the density, specific heat and 3 things that helium in AROUND THE HOUSE!!!
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Weeman - 1/19/2007 1:59:14 AM
My class is doing an expierment and i need to know a couple of things:how many electrons Helium has, 3 things where Helium could be found AROUND THE HOUSE, When it waws discovered, who discovered and the source of the element. If you have time i need an interesting fact also! Thanks alot. I will probably be on here again sometime!
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Tiffany - 1/8/2007 1:36:10 AM
Who discovered Helium?
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??? - 1/6/2007 2:24:54 AM
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anonymous - 10/31/2006 3:56:43 AM |
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Where was Helium Discoverd, and who was it discovered by...
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Helium was discovered by a french astronomer Pierre J. Jassen in 1868! :)
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helpp me please - 12/14/2006 9:26:50 PM
what family is helium belong to
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anonymous - 12/9/2006 2:18:53 AM
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anonymous - 10/31/2006 3:54:50 AM |
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what is the origin of its name? |
Greek
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malaki - 12/8/2006 12:57:05 AM
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mac - 10/26/2006 2:32:33 AM |
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how many protons, neutron,electrons |
the # of protons are 2 and so are the electrons and the # of neutrons are 2 also :)
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anonymous - 11/22/2006 11:14:28 PM
is helium a nonmetal, metal, or metalloid
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nana - 11/18/2006 11:39:36 PM
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anonymous - 10/31/2006 3:56:43 AM |
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Where was Helium Discoverd, and who was it discovered by...
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ramsey discovered helium in 1895. it was discovered in the uranium mineral cleveite
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Ha Eun - 10/31/2006 10:48:32 PM
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anonymous - 10/31/2006 3:54:50 AM |
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what is the origin of its name? |
The name comes from Helios, the greek word for sun. where it was found, i dont know. to find who found it look at the main helium page.
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anonymous - 10/31/2006 3:56:43 AM
Where was Helium Discoverd, and who was it discovered by...
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anonymous - 10/31/2006 3:54:50 AM
what is the origin of its name?
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anonymous - 10/30/2006 9:06:07 PM
Thanks for the author! This site realy helps me. Hold it on!
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Ha Eun - 10/26/2006 10:36:12 PM
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mac - 10/26/2006 2:32:33 AM |
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how many protons, neutron,electrons |
protons=2 electrons=2 neutrons=2
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There are 274 posts in this board. Newest 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 Oldest |
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