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Question
Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.
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Solution
The last element of the actinoid series is lawrencium (Lr), which has an atomic number of 103. Its electronic configuration is [Rn] 5f14 6d1 7s2, and its possible oxidation state is +3.
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