Front

The time required for half of a sample of a radioactive substance to undergo nuclear decay is called __________.

Back

Half Life

Front

Which type of radiation is most penetrating? Options: Gamma, They are equal, Beta, Alpha

Back

Gamma

Front

Which produces more energy--nuclear fission or nuclear fusion?

Back

Fusion

Front

When one large nucleus is split into two smaller nuclei, the process is nuclear _____.

Back

Fission

Front

Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.

Back

Fusion

Front

Beta particles have a _____ charge

Back

-1

Front

How much Iodine-125 will remain after 100 years if the original sample had a mass of 80 grams and the half-life of I-125 is 25 years? Options: 20 grams, 2.5 grams, 5 grams, 10 grams

Back

5 grams

Front

Which type of reaction does the diagram illustrate?

Back

Fission

Front

For the balanced equation, which particle is represented by X? Options: ⁰_-1 e, ¹₁ H, ⁴₂ H, ¹₀ n

Back

¹₀ n

Front

Which reaction represents fusion?

Back