Nuclear Processes

What is an alpha particle?

• An electron

• A Helium nucleus (2 protons & 2 neutrons)

• A high energy EM wave

• The largest subatomic particle

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What happens in Nuclear Fusion?

• A large heavy nucleus splits apart.

• An unstable nucleus emits a helium nucleus.

• An unstable nucleus release in the form of gamma radiation.

• Two smaller nuclei combine to form a larger nucleus.

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How do nuclear reactions (fusion & fission) compare to chemical reactions?

• They both release about the same amount of energy.

• Nuclear reactions release much more energy.

• Nuclear reactions release less energy.

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The time it takes for half of a sample of radioactive material to decay is called...

• Decay Time

• Half Life

• Gamma Period

• Half Time

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Hydrogen-3 is unstable. It will undergo Beta Decay. What new element will it become?

• Hydrogen-4

• Helium-3

• Lithium-3

• Carbon-4

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Plutonium-239 will undergo Alpha Decay. What new element will it become?

• Neptunium-237

• Uranium-239

• Radium-230

• Uranium-235

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Which subatomic particles are found in the nucleus of an atom?

• Protons & Neutrons

• Just Neutrons

• Protons & Electrons

• Neutrons & Electrons

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In _____ decay a Neutron transforms into a Proton and an Electron is released.

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In ______ decay 2 Protons and 2 Neutrons are released.

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What is a beta particle?

• 2 protons & 2 neutrons

• a high energy EM wave

• an electron

• a large unstable nucleus

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