We are being asked to determine which of the given statements are TRUE for a 3s orbital.
To solve this problem, let’s first define and determine the possible values of the four quantum numbers:
• principal quantum number (n) → energy level in orbitals and its value could be any positive integer starting from 1 to infinity.
• angular momentum quantum number (ℓ) → (l) has to be at least 1 less than n, range of values from 0 up to (n-1)
▪ Each ℓ value corresponds to a subshell:
Which one of the following is TRUE for a 3s orbital?
A) The possible values of ml for a 3s orbital are -1, 0, and +1.
B) A 3s orbital has 3 radial nodes.
C) The principal quantum number for a 3s orbital is 2.
D) A 3s orbital is shaped like a peanut.
E) The angular momentum quantum number (l) for a 3s orbital is 0.
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