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![[Post New]](/templates/default/images/icon_minipost_new.gif) 9 Apr 2008 20:02:50 IST
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a doubly ionised lithium atom is hydrogen like with Z=3 find wavelength reqd. to excite the e-1 in Li2+ from the 1st to third orbit
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An army of sheep led by a lion would defeat an army of lions led by a sheep.
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is it 11.4 nanometre..
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9 Apr 2008 20:26:27 IST
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yes
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An army of sheep led by a lion would defeat an army of lions led by a sheep.
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9 Apr 2008 20:26:42 IST
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how?
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An army of sheep led by a lion would defeat an army of lions led by a sheep.
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9 Apr 2008 20:29:22 IST
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1/ = R Z2 ( 1/n12 - 1/n22 )
R 109677 cm-1
n1 = 1
n2 = 3
Z= 3
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