What is the unabbreviated electron configuration of iron?

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What is the unabbreviated electron configuration of iron?

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Answer 1 · 2017-08-11T06:24:07

Of atomic iron, #Z=26#........

Explanation:

#1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(6)#..........

But hang on......the atomic number #Z# specifies the number of massive, positively-charged nuclear particles. Why should this be equal to the number of electrons in the neutral atom?

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What is the unabbreviated electron configuration of iron?

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