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![[Post New]](/templates/default/images/icon_minipost_new.gif) 30 Mar 2008 12:54:51 IST
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van der waal's radius is half of the distance b/w two adjacent molecules........
ionic crystal refers to the arragement of anions and cations in a specific manner in crystals of salt
isolated gaseous atom is the single atom which is not associated wid any kind of external forces wrt it and is present in gaseous state...
sheilding effect is the reduction of attractinve force of nucleus on elecron orbitals due to sheilding effect of orbitals present b4 it....
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size doesnt matter, brains do...
vignesh |
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