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Write the electronic configurations of the elements with the atomic numbers, 61, 91, 101, and 109.

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Write the electronic configurations of the elements with the atomic numbers, 61, 91, 101, and 109.

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61 : [Xe]54 4f5 5d0 6s2

91 : [Rn]86 5f2 6d1 7s2

101 : [Rn]86 5f13 5d0 7s2

109: [Rn]86 5f14 6d7 7s2

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