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OldSpice OldSpice
wrote...
Posts: 6432
10 years ago
How many energy sublevels exist within in the 2nd principal energy level?
A) 1
B) 2
C) 3
D) 4
E) none of the above
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ElectricElectric
wrote...
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Posts: 6431
10 years ago
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.silent.boss

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OldSpice Author
wrote...
10 years ago
Perfect!

..Thank you so much for your support
wrote...
10 years ago
My pleasure
.silent.boss
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