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Contents · 2019. 10. 29. · 3d transition metal series [Ar] core 21Sc 22Ti 23V 24Cr 25Mn 26Fe 27Co 28Ni 29Cu 30Zn 4s2 3d1 4s2 3d2 4s2 3d3 4s1 3d5 4s2 3d5 4s2 3d6 4s2 3d7 4s2 3d8
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