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Chemistry
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18 Dec 2019

I noted in inorgchem class that....

"Fe[N(SiMePh_2)_2]_2"

"when two ligands coordinate with Fe ( which is neutral),

electron configuration changes [Ar]4s^2 3d^6 to [Ar]3d^8 "

I forgot why... does two electrons of 4s move to 3d orbital??? why???.

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Deanna Hettinger
Deanna HettingerLv2
31 Dec 2019

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Related questions

help which of these is true and which are false?

Problem 1 .

An atom has a fully occupied subshell corresponding to some orbital quantum number l. What is the number of electrons in that subshell? Explain your answer.

Problem 2 .

An atom has a fully occupied shell corresponding to some principal quantum number n. What is the number of electrons in that shell? Explain your answer.
Hint: Use the answer obtained for Problem 1 and the known mathematical formula for finite sums.

Problem 3 .

It is known that electron levels can slightly shift in energy, sometimes leading to a change in their order. For example, for a copper (Cu) atom, the state with a fully occupied 4s subshell and partially occupied 3d subshell has higher energy than the state with a fully occupied 3d subshell and partially occupied 4s subshell. Based on this, determine the electron configuration of copper. Explain your answer.


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