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d and f BLOCK ELEMENTS
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What is the ground state electronic configuration of Cerium (Ce, Z=58)?
A. [Xe] 4f² 6s²
B. [Xe] 4f¹ 6s²
C. [Xe] 4f¹ 5d¹ 6s²
D. [Xe] 4f² 5d¹ 6s¹
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