Determine the **maximum number of electrons **in an atom for the given set of quantum numbers

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**

•**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**:

What is the maximum number of electrons in an atom that can have the following quantum numbers: n = 3, m_{s} = +1/2 ?

(a) 1

(b) 2

(c) 8

(d) 9

(e) 18

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