When an Unstable Nucleus Decays by Emitting an Alpha Particle

question 26

Multiple Choice

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

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

---

Definitions:

Black Singers

Vocal artists of African descent, known for their influential contributions to various music genres, including jazz, gospel, R&B, and soul.

Civil Rights

The rights of citizens to political and social freedom and equality.

Libertarian Conservatives

A political ideology that combines conservative policies with libertarian principles, emphasizing limited government, personal freedom, and free-market capitalism.

Limited Government

A political ideology that advocates for minimal governmental intervention in personal liberties and the economy, emphasizing the importance of individual freedoms.