mmah azez
04-07-2010, 12:11 AM
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abc007
04-07-2010, 01:48 PM
http://www.800mainstreet.com/33/0003-005-boron.gif
AL Madar 5= (10+6+2) = 18 < 32
3d 10 4p 6 5s 2
Almadar 6 = (10+6+2) = 18 < 32
4d 10 5p 6 6s 2
ALmadar 7 = (14+10+6+2) = 32 not bigger than 32
4f 14 5d 10 6p 6 7s 2
ALmadar 8 = (14+10+6+2) = 32
5f 14 6d 10 7p 6 8s 2
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