Nuclear Chemistry Practice Questions

• Alpha

• Beta

• Gamma

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NGSS.HS-PS1-8

Tags

NGSS.HS-PS1-8

• Alpha

• Beta

• Gamma

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NGSS.HS-PS1-8

Why would you expect alpha particles to be less able to penetrate materials than beta particles?

• A) They are larger

• B) They are smaller

• C) They have more energy

• D) They have less energy

Fill in the blank: The emission of a gamma ray results in the mass number ____.

• A) Increasing

• B) Decreasing

• C) Remaining the same

• D) Doubling

Tags

NGSS.HS-PS1-8

• Alpha

• Beta

• Gamma

• None

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NGSS.HS-PS1-8

List the 3 types of radiation (α, β, γ) in order from least penetrating to most penetrating.

• A) Alpha, Beta, Gamma

• B) Gamma, Beta, Alpha

• C) Beta, Alpha, Gamma

• D) Alpha, Gamma, Beta

Does the identity (name) of an atom change during radioactive decay?

• Yes, for alpha and beta decay

• No, for gamma decay

• Yes, for all decay

• No, for all decay.

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NGSS.HS-PS1-8

If a 750 g sample of Technetium-99 decays in 4 half-lives, how much of the sample will remain?

• 750 g

• 375 g

• 187.5 g

• 93.75 g

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NGSS.HS-PS1-8

The half-life of Hafnium-156 is 0.025 s. How long will it take a 560 g sample to decay to ___ its original mass?

• 0.05 s

• 0.075 s

• 0.1 s

• 0.125 s

Tags

NGSS.HS-PS1-8