Home › NEET UG › Chemistry › Atomic combinations › The number of *radial* nodes in a $4s$ orbital is
The number of *radial* nodes in a $4s$ orbital is
A$4$
B$1$
C$0$
D$3$
Answer & Solution
Correct answer: D. $3$
Radial nodes $= n - l - 1$. For 4s: $4 - 0 - 1 = 3$.
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