An Electron Initially in the N = 2 Orbital of a Hydrogen

question 153

Multiple Choice

An electron initially in the n = 2 orbital of a hydrogen atom absorbs a photon with a wavelength of 656 nm. Calculate the final orbital, n_f.

• A) 3
• B) 5
• C) 2
• D) 4
• E) 6

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Definitions:

HPA Axis

The Hypothalamic-Pituitary-Adrenal Axis, a complex system of interactions between endocrine glands that regulate stress response and other body processes.

Cortisol

A steroid hormone released by the adrenal glands, often in response to stress or low blood-glucose concentration.

Glycogen

A form of glucose stored in the liver and muscles, used as a source of energy in animals and humans.