When an Unstable Nucleus Decays by Emitting an Alpha Particle,the

question 52

Multiple Choice

When an unstable nucleus decays by emitting an alpha particle,the atomic mass number A of the nucleus

• A)increases by 4.
• B)increases by 2.
• C)decreases by 2.
• D)decreases by 4.
• E)remains unchanged.

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Definitions:

Memory Storage

The process of retaining information over time, which includes encoding, storing, and retrieving data.

Brain Structure

The physical organization and arrangement of different parts of the brain, including its cells and connections.

Sensory Relay Station

Refers to the thalamus, a structure in the brain that processes and relays sensory information to the appropriate areas of the brain.

Thalamus

A structure in the brain that acts as a relay station for sensory and motor signals to the cerebral cortex.