Intro to Nuclear Radiation

What is the process called when a nucleus changes spontaneously from one element to another?

• Chemical bonding

• Radioactivity

• Nuclear fusion

• Electron transfer

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What particles make up the nucleus?

• Protons, neutrons, and electrons

• Neutrons and electrons

• Protons and neutrons

• Electrons and protons

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What is ejected from a carbon nucleus to transform it into a nitrogen nucleus?

• An alpha particle

• A fast-moving electron

• A proton

• A neutron

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What is an alpha particle made of?

• One proton and one neutron

• Two neutrons

• Two protons and two neutrons

• Two protons

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What common household device contains a source of alpha particles?

• Smoke detector

• Television

• Refrigerator

• Microwave

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What type of nuclear radiation is not a particle but an electromagnetic wave?

• Beta radiation

• Alpha radiation

• Gamma radiation

• Delta radiation

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What is the most serious effect of radiation on humans?

• Nausea

• Headache

• Damage to DNA

• Skin irritation

Which type of nuclear radiation causes the most ionization?

• Beta

• Gamma

• Alpha

• Neutron

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How can radioactive atoms be used in medicine?

• As a source of heat

• To improve the taste of food

• As tracers to show where chemicals travel in the body

• To increase shelf life of fruits

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