If an Isotope's Half-Life Is 100 Years,then

question 23

Multiple Choice

If an isotope's half-life is 100 years,then

• A) that isotope will no longer exist in 50 years.
• B) that isotope will no longer exist in 200 years.
• C) in 50 years only half of the atoms in a sample of that isotope will remain.
• D) in 100 years only half of the atoms in a sample of that isotope will remain.
• E) in 200 years only half of the atoms in a sample of that isotope will remain

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Definitions:

Venous Hum

A continuous, low-pitched sound heard over the major veins, particularly in the neck, due to turbulent blood flow.

Murmur

Abnormal heart sounds during a heartbeat cycle, which can indicate various heart conditions.

Carotid Artery

A major blood vessel in the neck that supplies blood to the brain, neck, and face.

Bruits

Sounds heard over the arteries or veins during auscultation, indicative of abnormal blood flow, often due to narrow or blocked vessels.