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Determine what’s wrong with these electronic configurations

Determine what’s wrong with these electronic configurations-example-1
User Milos K
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1 Answer

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18 votes

Answer:

Step-by-step explanation:

19) it is 3d10 instead of 4d10

20) it is missing 3p6, and 4s2 before 3d5

21) Ra is not a noble gas

22) Cs is not a noble gas

User Jeff Guillaume
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