Nuclear Chemistry

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

• Decay Time
• Half Life
• Atoms don't decay
• Isotope time

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NGSS.HS-PS1-8

Which type of radiation is most penetrating?

• Gamma
• They are equal
• Beta
• Alpha

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NGSS.HS-PS1-8

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

• Fusion
• Fission
• They produce the same amount
• It depends on the elements used

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NGSS.HS-PS1-8

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

• Fusion
• Fission
• Tracing
• Decay

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NGSS.HS-PS1-8

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

• Fusion
• Fission
• Tracing
• Decay

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NGSS.HS-PS1-8

Beta particles have a _____ charge

• +1
• 0
• -1
• +2

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NGSS.HS-PS1-8

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?

• 20 grams
• 2.5 grams
• 5 grams
• 10 grams

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NGSS.HS-PS1-8

Which type of reaction does the diagram illustrate?

• Fission

• Fusion

• Alpha Decay

• Beta Decay

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NGSS.HS-PS1-8

For the balanced equation, which particle is represented by X?

• ⁰_-1 e

• ¹₁ H

• ⁴₂ H

• ¹₀ n

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NGSS.HS-PS1-8

Which reaction represents fusion?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-8