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What is the general electronic configuration of the lanthanides?(a) (n-2)f ^1-14 (n-1)d ^1-10 ns^2(b) (n-2)f ^1-14 (n-1)d ^1-2 ns^2(c) (n-2)f ^1-14 (n-1)d ^0-1 ns^2(d) (n-2)f ^1-14 (n-1)d ^0 ns^2This question was posed to me in quiz.Asked question is from D and F-Block Elements in chapter D and F-Block Elements of Chemistry – Class 12 |
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Answer» RIGHT option is (c) (n-2)f ^1-14 (n-1)d ^0-1 ns^2 Explanation: In lanthanides, the differentiating electron occupies 4f subshell and are RARELY found on the earth’s crust, so called rare earths. The GENERAL electronic configuration of lanthanides is 6s^25d^0-14f^1-14. |
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