Nuclear Reactions

Takes two small nuclei and combines them into a larger nucleus

• fission

• fusion

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NGSS.HS-PS1-8

How is nuclear fusion different from nuclear fission?

• In fusion, the product is a larger atomic nucleus.

• Fission produces energy but fusion does not.

• Fusion produces energy but fission does not.

• In fission, the product is a larger atomic nucleus.

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NGSS.HS-PS1-8

This is an example of ---

• Radioactive Decay

• Nuclear Fission

• Nuclear Fusion

• Fossil fuel reaction

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• alpha

• beta

• gamma

• none

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NGSS.HS-PS1-8

What makes something radioactive?

• elements with an atomic number above 81

• an unstable nucleus

• contaminated sewage

• It decays over time

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NGSS.HS-PS1-8

Has a mass of 4 and a charge of +2

• Alpha

• Beta

• Gamma

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NGSS.HS-PS1-8

An unstable nucleus releases radiation in the form of a helium particle. What process is occurring?

• Fusion

• Fission

• Alpha Decay

• Beta Decay

Answer explanation

The correct process occurring when an unstable nucleus releases radiation in the form of a helium particle is Alpha Decay.

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NGSS.HS-PS1-8

An unstable nucleus releases radiation in the form of an electron particle. What process is occurring?

• Fusion

• Fission

• Alpha Decay

• Beta Decay

Answer explanation

Beta Decay is the process where an unstable nucleus releases radiation in the form of an electron particle, making it the correct choice in this scenario.

Tags

NGSS.HS-PS1-8

Which particle completes the equation below?

• Alpha Particle

• Beta Particle

• Gamma Particle

• Proton

Answer explanation

The correct particle to complete the equation is the Beta Particle, as it is commonly used in nuclear reactions and decay processes.

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NGSS.HS-PS1-8

The alpha decay of ( ^{238}_{92}U ) produces an atom with a mass number of...

• 234

• 236

• 238

• 240

Answer explanation

The alpha decay of uranium-238 (^{238}_{92}U) results in an atom with a mass number of 234, as the alpha particle has a mass number of 4 and the remaining atom has a mass number of 238-4=234.

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NGSS.HS-PS1-8