What Is Implied About an Electron in an Atom When

question 54

Multiple Choice

What is implied about an electron in an atom when it is observed that it has discrete spectral lines?

• A) The electron is negatively charged.
• B) The electron is oppositely charged from the proton.
• C) The electron circles the nucleus.
• D) The electron can have only certain energies.
• E) The electron has negligible mass.

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Definitions:

Cardiovascular Fitness

The ability of the heart, lungs, and blood vessels to efficiently supply oxygen to the body during sustained physical activity.

FITT Acronym

Stands for Frequency, Intensity, Time, and Type, a principle used in the fitness industry to guide the development of individualized exercise programs.

Flexibility

The ability of joints to move through their full range of motion, important for general fitness and injury prevention.

Isometrics

A form of exercise involving the contraction of a muscle or group of muscles without significant movement of the body parts.