Radioactive Decay: a Radioactive Nuclide of Atomic Number Z Emits

question 24

Multiple Choice

Radioactive decay: A radioactive nuclide of atomic number Z emits an electron, then the daughter nuclide emits a gamma ray. What is the atomic number of the resulting nuclide after both processes?

• A) Z + 1
• B) Z - 1
• C) Z - 2
• D) Z - 3
• E) Z + 2

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Definitions:

CPI

The CPI (Consumer Price Index) is a metric that tracks the average fluctuation in prices that urban consumers experience for a selection of consumer goods and services over time.

Base Year

A specific year against which economic or financial data is measured and compared to track growth, inflation, or other economic indicators.

Cyclical Unemployment

A type of unemployment that relates to the cyclic trends in the economy over time, often tied to changes in the business cycle.

Overall Unemployment Rate

The percentage of the labor force that is jobless and actively seeking employment, reflecting the health of an economy.