how many electrons in a given atom can have the following quantam number. n=3. l=2. m=+2. s=+1/2
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No two electrons in an atom can have the same set of quantum numbers. The first quantum number is the principle quantum number , which is n=3 . This means the electron is in the third energy level (shell). The second quantum number, the angular momentum , is l=2 , and means the electron is in the d sublevel (subshell).
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