When An $\alpha$ Particle Is Emitted, the Atomic Number
A) Increases by 4

question 55

Multiple Choice

When an $\alpha$ particle is emitted, the atomic number

• A) increases by 4.
• B) decreases by 1.
• C) decreases by 2.
• D) decreases by 4.
• E) increases by 2.

---

Definitions:

Theories

Systematic ideas or principles formulated to explain phenomena, provide understanding, and predict future occurrences.

Macroeconomics

The branch of economics that studies the behavior and performance of an economy as a whole, focusing on aggregate phenomena such as GDP, unemployment rates, and inflation.

General Price Level

An average of the current prices of goods and services within an economy, indicating the cost of living or inflation rate.

Unemployment Rates

The percentage of the total labor force that is unemployed but actively seeking employment and willing to work.