Write observed electronic configuration of gadolinium. Explain
oxidation states of lanthanides
Answers
Answer:
The electronic configuration of La(Z=57) is [Xe]5d16s2. ... Therefore, addition of next electron doesn't occur in a more stable exactly half-filled 4f7 shell but occur in a little higher energy 5d-orbital+3
Adoption mainly of the +3 oxidation state. Usually found in crystalline compounds) They can also have an oxidation state of +2 or +4, though some lanthanides are most stable in the +3 oxidation state. Adoption of coordination numbers greater than 6 (usually 8-9) in compounds.
Explanation:
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Answer:
The electronic configuration of La(Z=57) is [Xe]5d16s2. ... Therefore, addition of next electron doesn't occur in a more stable exactly half-filled 4f7 shell but occur in a little higher energy 5d-orbital.
+ 3
Adoption mainly of the +3 oxidation state. Usually found in crystalline compounds) They can also have an oxidation state of +2 or +4, though some lanthanides are most stable in the +3 oxidation state. Adoption of coordination numbers greater than 6 (usually 8-9) in compounds.