The Radius of the N = 3 Bohr Orbit in the Hydrogen

question 72

Multiple Choice

The radius of the n = 3 Bohr orbit in the hydrogen atom is

• A)0.36 nm.
• B)0.60 nm.
• C)0.48 nm.
• D)0.12 nm.
• E)0.24 nm.

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Definitions:

G Protein

A family of proteins that act as molecular switches inside cells, involved in transmitting signals from a variety of stimuli outside a cell to its interior.

Steroid Hormone

A type of hormone derived from cholesterol that plays a role in regulating metabolism, immune function, and development of sexual characteristics.

Calcium Blood Levels

The concentration of calcium in the bloodstream, important for various physiological processes including bone formation, muscle function, and nerve transmission.

Parathyroid Hormone

A hormone produced by the parathyroid glands that regulates calcium levels in the blood and bone metabolism.