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Posted on: 10:35:11 PM on November 1, 2014
Posted By:
surbhi
which gas is lighter


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Posted on: 11:10:31 PM on November 1, 2014
ITS HELIUM OBVIOUSLY



Posted on: 12:59:30 PM on November 3, 2014
hydrogen is lightest and the guy who says helium must know.



Posted on: 08:26:53 PM on November 12, 2014
Dear friend, Hydrogen is the lightest because it has one proton one neutron and no electron



Posted on: 08:26:45 AM on November 13, 2014
sorry for the mistake Hydrogen is the lightest because it has one proton no neutron and one electron.



Posted on: 07:24:24 PM on April 16, 2015
Helium



Posted on: 08:39:54 PM on April 16, 2015
why arijit??



Posted on: 11:42:52 AM on April 18, 2015



Posted on: 05:16:35 PM on April 18, 2015
why helium???



Posted on: 12:58:46 PM on May 5, 2015
helium is d lighest gas



Posted on: 02:32:30 PM on May 10, 2015
hydrogen is the lightest gas followed by helium



Posted on: 11:44:47 AM on July 15, 2015
i think its hidrogen...



Posted on: 06:30:52 AM on September 2, 2016



Posted on: 09:37:13 AM on October 30, 2016
Hydrogen and Helium



Posted on: 10:17:07 PM on November 4, 2016
Hydrogen !!!!!!!!!!! Hydrogen has an atomic mass 1 while Helium has 4. thus helium is 4 times as heavy as Hydrogen.



Posted on: 02:38:39 PM on November 5, 2016
Of course hydrogen didn't study science in 8th STD?





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