What Happens to the Mass Number and the Atomic Number

question 102

Multiple Choice

What happens to the mass number and the atomic number of an element when it undergoes beta decay?

• A)Neither the mass number nor the atomic number changes.
• B)The mass number decreases by 4 and the atomic number decreases by 2.
• C)The mass number does not change and the atomic number increases by 1.
• D)The mass number does not change and the atomic number decreases by 2.
• E)The mass number increases by 2 and the atomic number increases by 1.

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Definitions:

Night Terrors

Intense episodes of fear that occur during deep, non-REM sleep, often accompanied by screaming, thrashing, and a heightened state of arousal.

N3 Sleep

The third stage of non-REM sleep that is characterized by deep, restorative sleep and the presence of delta waves in brain activity.

REM Rebound

The phenomenon where there is an increased frequency and intensity of REM (Rapid Eye Movement) sleep after periods of REM sleep deprivation.

Narcolepsy

An enduring disorder of sleep featuring overpowering drowsiness in daytime hours and sudden instances of sleeping.