Mg-24 Is a Nonradioactive Isotope of Magnesium and Mg-27 Is

question 89

Multiple Choice

Mg-24 is a nonradioactive isotope of magnesium and Mg-27 is a radioactive isotope. Which of the following is a true statement concerning these two isotopes?

• A)Both isotopes emit high energy particles or rays known as radiation.
• B)The radioactive isotope has three more neutrons than the nonradioactive isotope.
• C)The radioactive isotope has three more electrons than the nonradioactive isotope.
• D)The nonradioactive isotope has three less protons than the radioactive isotope.

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Definitions:

Reticular Formation

A network of neurons in the brainstem involved in consciousness, sleep-wake cycles, and filtering incoming stimuli.

Brainstem

The brainstem is a central part of the brain, crucial for regulating vital body functions, including heart rate and breathing.

Thalamus

A major part of the brain acting as a relay station, directing sensory and motor signals to the cerebral cortex and regulating consciousness, sleep, and alertness.

Hippocampus

A critical region of the brain associated with memory formation, organization, and storage.