Which set of values is correct for an electron occupying a 4d orbital? a. n = 4, l = 2, ml = 0 b. n = 4, l = 2, ml = -1/2 c. n = 3, l = 4, ml = 1 d. n = 3, l = 1, ml = 1
a. n = 4, l = 2, ml = 0
b. n = 4, l = 2, ml = -1/2
c. n = 3, l = 4, ml = 1
d. n = 3, l = 1, ml = 1
For 4d orbital , principle quantum number , n = 4 ( valence shell)
l = 2 ( d-orbital)
So omit options (c) & (d)
Magnetic quantum numbers have values from -l ,.....,0,....+l but these are not fractional values.So omit option(b)
Therefore the correct option is (a) n = 4, l = 2, ml = 0
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