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Most common oxidation states shown by cerium are
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$+3,+4$
The electronic configuration of Ce is as
$\mathrm{Ce}:[\mathrm{Xe}] 4 f^{2} 5 d^{0} 6 s^{2}$
The most common oxidation states shown by cerium are $+3$ and $+4$.
$\mathrm{Ce}:[\mathrm{Xe}] 4 f^{2} 5 d^{0} 6 s^{2}$
The most common oxidation states shown by cerium are $+3$ and $+4$.
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