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Definition: A noble gas core is an abbreviation in an atom's electron configuration where the previous noble gas's electron configuration is replaced with the noble gas's element symbol in brackets. ... This is the noble gas core notation of sodium.

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Isadore Bauch

Lvl 10
4y ago
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Anonymous

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3y ago
this didnt answer the question
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Anonymous

Lvl 1
3y ago
it is Kr
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Wiki User

12y ago

The electron configuration of rutherfordium is [Rn]5f14.6d2.7s2.

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Wiki User

13y ago

The electronic configuration of ru is : [kr]5s1 4d7.

But for Ru+3

as it has 3 electrons shortage : [kr]4d5 5s0

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Wiki User

15y ago

: 1s2 2s2p6 3s2p6d10 4s2p6d7 5s1 :

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Q: What is the electron configuration of Ru3 plus?
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