A Possible Set of Quantum Numbers for the Last Electron

question 87

Short Answer

A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is $\begin{array}{llll}~~~~~\text { n } & l & \mathrm{~m}_{l} & \mathrm{~m}_{5} \\\text { A. } 4 & 0 & 0 & -1 / 2 \\\text { B. } 3 & 1 & 0 & -1 / 2 \\\text { C. } 4 & 1 & 0 & +1 / 2 \\\text { D. } 3 & 1 & 1 & +1 / 2 \\\text { E. } 4 & 2 & 1 & +1 / 2\end{array}$

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Definitions:

Viscous

Having a thick, sticky consistency between solid and liquid; having a high resistance to flow.

Optic Disc

The point in the eye where the optic nerve meets the retina, also known as the blind spot, as it contains no photoreceptor cells.

Vascular Tunic

The middle layer of the eye comprising the choroid, ciliary body, and iris, which provides blood supply and supports intraocular structures.

Macula Lutea

A region in the retina responsible for high acuity vision, characterized by a high concentration of cones and called the "yellow spot".