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Identify the element that has the following electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f2
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a
Ba
b
At
c
Ce
d
Pr
answer is C.
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Detailed Solution
Z =58 ........ Cerium
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