Nuclear Processes

What is the primary use of nuclear chemistry today?

• To cause destruction

• To save lives and provide renewable energy

• To create weapons

• To pollute the environment.

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NGSS.HS-PS1-8

Which of the following is a key term related to nuclear processes?

• Photosynthesis

• Radioactivity

• Evaporation

• Condensation

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which type of radiation consists of helium nuclei with two protons and two neutrons?

• Alpha Radiation

• Beta Radiation

• Gamma Radiation

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NGSS.HS-PS1-8

What is the charge of beta particles?

• +2

• -1

• 0

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NGSS.HS-PS1-8

Gamma radiation is represented by which symbol?

• α

• β

• γ

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NGSS.HS-PS1-8

What happens to the mass number and atomic number of an atom during alpha decay?

• A) Mass number increases by 4, atomic number increases by 2

• B) Mass number decreases by 4, atomic number decreases by 2

• C) Mass number stays the same, atomic number decreases by 2

• D) Mass number decreases by 2, atomic number decreases by 4

Tags

NGSS.HS-PS1-8

Which of the following is an example of beta decay?

• Plutonium-240 to Uranium-236

• Carbon-14 to Nitrogen-14

• Uranium-238 to Thorium-234

• Radium-226 to Radon-222

Tags

NGSS.HS-PS1-8

What is the penetrating power of beta particles compared to alpha particles and gamma rays?

• Higher than alpha particles, lower than gamma rays

• Lower than both alpha particles and gamma rays

• Higher than both alpha particles and gamma rays

• Lower than alpha particles, higher than gamma rays

What is one application of beta emissions in medicine?

• Treating bacterial infections

• Diagnosing cancer

• Healing broken bones

• Reducing inflammation

What happens during gamma decay?

• A) A new chemical element is formed

• B) The nucleus of an atom splits

• C) A gamma photon is emitted

• D) The atom gains energy

Tags

NGSS.HS-PS1-8