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need this asap, I'll give brainliest.

Determine which of the following electron configurations are not valid: State which rule has been violated.​

need this asap Ill give brainliestDetermine which of the following electron configurations are not valid State which rule has been violated class=

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shahdshaker203

ANSWER

1)4d^10 should be 3d^10

2) 3s^2 is impossible and 3d^5 it should be p not d

3) Ra is not a noble gas

4)Valid

5)Element can’t be its own electron configuration.

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