Take the Potential Energy of a Hydrogen Atom to Be

question 21

Multiple Choice

Take the potential energy of a hydrogen atom to be zero for infinite separation of the electron and proton.Then the ground state energy of a hydrogen atom is -13.6 eV.The minus sign indicates:

• A)the kinetic energy is negative
• B)the potential energy is positive
• C)the electron might escape from the atom
• D)the electron and proton are bound together
• E)none of the above

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Definitions:

Resting Blood Pressure

The pressure in the arteries when the heart rests between beats, providing a baseline measure of heart health.

Resting Heart Rate

The number of heartbeats per minute when a person is at rest, an important measure of cardiac health and fitness.

Aerobic Fitness

The capacity of the heart, lungs, and blood vessels to supply oxygen-rich blood to working muscles during extended physical activity, enhancing endurance.

All-Cause Mortality

The total number of deaths due to any cause in a specific population, used as a measure of the general health of that population.