what is using noble gas notation write the electron configuration for the manganeseii ion?Advertisement
[Ar] 4s2 3d5; without using shorthand noble gas configuration - 1s2 2s2 2p6 3s2 3p6 4s2 3d5 The answer above is slightly incorrect but a very easy mistake to make, even though the 4s sub-shell fills up before the 3p sub-shell, you still write the 3p shell first. So the correct answer is: 1s2 2s2 ... - read more
Noble Gas configuration means the ion will have a full s and p shell in the highest principle quantum number, and no d electrons in this quantum number. - read more
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