# Problem: How many electrons in an atom could have these sets of quantum numbers?(a) n=3(b) n=4, l=2(c) n=7, l=3, ml=-1

###### FREE Expert Solution
95% (269 ratings)
###### FREE Expert Solution

a) All that is given here is the "n" value, which is n=3. This is your shell. When ONLY the "n" value is given, you can use the rule: 2n2 to find the total number of electrons. So, 2(3)2 = 18 electrons in total.

95% (269 ratings) ###### Problem Details

How many electrons in an atom could have these sets of quantum numbers?

(a) n=3

(b) n=4, l=2

(c) n=7, l=3, ml=-1

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