Talk:Periodic table block

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Electron shell, Orbitals, Atomic orbital, Electron configuration and possibly periodic table block should all be merged into a single article, preferably by someone who knows what they are talking about. The Anome

[edit] Half of f-block seems to actually be d-block

Curium, for example, is [Rn] 5f7 6d1 7s2. 6d is a higher energy level than 5f, so wouldn't that make Curium, and many others, a d-block element? --Lucent 03:05, 28 June 2007 (UTC)