Spin Transitions in Lower Mantle Minerals? Concentrate on ferropericlase as more likely to have a big…

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Electron configurations K shell 1s L shell 2s 2p M shell 3s 3p 3d s suborbitals take up to 2 electrons p suborbitals take up to 6 electrons d suborbitals take up to 10 electrons Fe2+ has 24 electrons, 2 in K, 8 in L and 14 in M with 6 in 3d