Silicon Has Three Naturally Occurring Isotopes: Si-28,Si-29,and Si-30

question 84

Multiple Choice

Silicon has three naturally occurring isotopes: Si-28,Si-29,and Si-30. If the average atomic mass of silicon is 28.09,which isotope has the highest isotopic abundance?

• A)Si-28
• B)Si-29
• C)Si-30
• D)All isotopes have the same isotopic abundance.

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Definitions:

Receptors

Specific proteins in or on cells that recognize and bind to specific substances, triggering a response in the cell.

Taste

The sense that detects flavors in substances, primarily in the mouth.

Organ Of Corti

A structure located in the cochlea of the inner ear, containing hair cells that convert sound vibrations into neural signals for hearing.

Mechanoreceptors

Sensory receptors in the body that respond to mechanical pressure or distortion, important for sensing touch, pressure, stretching, sound, and motion.