Electron configuration of Ds
While Googling to pass checkio("Ds"), I came across two different electron configurations of Ds.
One is "[Rn] 5f¹⁴6d⁸7s²" (http://en.wikipedia.org/wiki/Darmstadtium), and the other is "[Rn] 5f¹⁴6d⁹7s¹" (http://www.rsc.org/periodic-table/element/110/darmstadtium).
Is either outdated? Or are both correct?
task.periodic-tableCreated: March 16, 2014, 11:30 p.m.
Updated: June 23, 2015, 3:35 a.m.
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