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Chemistry, 16.02.2021 06:40 brandonleekenyon
Which of the following is NOT a valid electron configuration?
1s22s22p62d9
[Ne]3s23p3
1s22s22p5
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Which of the following is NOT a valid electron configuration?
1s22s22p62d9
[Ne]3s23p3
1...
[Ne]3s23p3
1...
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