Nuclear Physics

What is a beta particle made of?

• One proton

• A helium particle

• One electron

• One proton and one neutron

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Which of these processes describes a nuclear fusion reaction?

• A nucleus absorbs energy to produce lighter nuclei.

• A nucleus splits to produce energy and lighter nuclei

• Two nuclei bind together to produce energy and heavier nuclei.

• Two nuclei bind together to produce energy and a lighter nuclei.

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Of the main types of radiation emitted from naturally radioactive isotopes, which is the hardest to block?

• Alpha deca

• Gamma Decay

• Beta decay

• They are all blocked using the same method

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What is emitted during Alpha Radiation?

• A helium nuclei.
• A helium atom
• Gamma Rays.
• Positrons

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What is radioactive decay?

• The spontaneous breakdown of an atomic nucleus resulting in only energy release
• The spontaneous breakdown of an atomic nucleus resulting in only matter release
• The spontaneous breakdown of an atomic nucleus resulting in a release of energy and matter
• The decay of the use of radios and the increased use of televisions.

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Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

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When does radioactive decay occur?

• When the nucleus of an isotope is unstable
• When the nucleus of an isotope is stable
• When the electrons of an isotope are spinning
• When the electrons of an isotope are shared with another isotope

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Isotopes of the same element have different ____________. 

•  numbers of protons  
• numbers of electrons
•  symbols 
• numbers of neutrons

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This is an example of...

• Fission  reaction
• Fusion reaction
• Decomposition reaction
• Decay

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Neutrons ......

• has positive electric charge with equal magnitude to that of an electron.

• has no net electric charge.

• has negative electric charge.

• orbiting the nucleus.

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