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![[Post New]](/templates/default/images/icon_minipost_new.gif) 26 Mar 2008 13:19:28 IST
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hydrogen exists as H2 molecule...
u know that nucleus also spins in an atom....
if both the nucleus of the molecules spin in same direction...
it is ortho hydrogen
if the nucleus spin in opposite direction..
they are called as para hydrogen allotropes
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size doesnt matter, brains do...
vignesh |
this reply: 5 points
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