Comments on: Electron Configuration of Molybdenum? http://molybdenuminfo.com/2008/11/04/electron-configuration-of-molybdenum/ Answering your molybdenum questions Tue, 07 Feb 2012 13:14:57 +0000 http://wordpress.org/?v=2.6.3 By: jamesgowdy1988 http://molybdenuminfo.com/2008/11/04/electron-configuration-of-molybdenum/#comment-48 jamesgowdy1988 Fri, 07 Nov 2008 10:27:17 +0000 http://molybdenuminfo.com/?p=56#comment-48 QUERY: What is the ground state electronic configuration of Mo 3+? WORKING: Molybdernum, Mo has atomic number 42. Hence 42-3=39 electrons or the equivalent of Yttrium, Y. So we pass [He] = 1s2 (37 left) We pass [Ne] = [He] 2s2, 2p6 (29 left) We pass [Ar] = [Ne] 3s2, 3p6 (21 left) We pass [Kr] = [Ar] 4s2, 3d10, 4p6 (3 left) ANSWER: The configuration of Mo3+ is therefore... ...in shorthand: [Kr] 5s2, 4d1 ...or in full: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d1 ...or in principle shell summary: 2.8.18.9.2 Hope that helps! QUERY: What is the ground state electronic configuration of Mo 3+?

WORKING: Molybdernum, Mo has atomic number 42. Hence 42-3=39 electrons or the equivalent of Yttrium, Y.

So we pass [He] = 1s2 (37 left)
We pass [Ne] = [He] 2s2, 2p6 (29 left)
We pass [Ar] = [Ne] 3s2, 3p6 (21 left)
We pass [Kr] = [Ar] 4s2, 3d10, 4p6 (3 left)

ANSWER: The configuration of Mo3+ is therefore…
…in shorthand: [Kr] 5s2, 4d1
…or in full: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d1
…or in principle shell summary: 2.8.18.9.2

Hope that helps!

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