Each of the following sets of quantum numbers is supposed to specify an orbital. choose the one set of quantum numbers that does not contain an error.
a) n=2, l=2, ml=+1
b) n=3, l=2, ml=-3
c) n=4, l=3, ml= -2
d) n=2, l=2, ml=0
e) n=4, l=2, ml=+4

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percent abundance for cu-63 can be shown as:

63 x + 65 (1-x) = 62.9296

65 - 62.9296 = 2 x

x = 1.035

thus, percent abundance for cu-63 is 1.035

percent abundance for cu-65 can be shown as:

63 x + 65 (1-x) = 64.9278

65 - 64.9278 = 2 x

x = 0.0361

thus, percent abundance for cu-63 is 0.0361

the mass spectrum of cu-63 showing the intense peak as, this isotope is found in nature more abundantly around 92.38 % in comparison to cu-65 which is found 62.58 % naturally