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For an atom's electrons, how many energy sub levels are present in the principal energy level n=4? A. 4 B. 9 C. 10 D. 16 E. 32
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For an atom's electrons, how many energy sub levels are present in the principal energy level n=4?

A. 4
B. 9
C. 10
D. 16
E. 32

User Gianluca Ghettini
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1 Answer

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Answer:

the principal energy level is d because electrons are 2 times more

User Red Orca
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