Which, If Any, Represents the Ground State Electron Configuration for the Selenium

question 46

Multiple Choice

Which, if any, represents the ground state electron configuration for the selenium atom

• A) [Ar] 4s²3d¹⁰4p³ or 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p³
• B) [Ar] 4s²3d¹⁰3p⁴ or 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰3p⁴
• C) [Kr] 4s²3d¹⁰4p⁴ or 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴
• D) [Ar] 4s²3d¹⁰4p⁴ or 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴
• E) None of the Above

---

Definitions:

Umami

One of the five basic tastes, described as savory or meaty, due to the presence of glutamate.

Endorphins

Neurochemicals produced by the body that act as natural painkillers and mood elevators, often released in response to stress or exercise.

Pain Gate

A theoretical model explaining how non-painful sensations can interfere with pain signals traveling to the brain, effectively "closing a gate" to the perception of pain.

Spinal Cord

The cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain, forming the central nervous system.