Unit 2 Review: Nuclear Chem

Which process produces alpha particles?

• Alpha decay
• Beta decay
• Gamma decay
• Nuclear fusion

Which process involves the joining of small nuclei?

• Beta decay
• Alpha decay
• Nuclear fission
• Nuclear fusion

Which process involves the splitting of large nuclei?

• Beta decay
• Alpha decay
• Nuclear fission
• Nuclear fusion

The time taken for half of an amount of radioactive atoms to decay.

• Nuclear fusion
• Full-life
• Dead time
• Half-life

Scientist involved with discovery of radioactivity.

• Albert Einstein
• Ernest Rutherford
• Marie Curie
• Isaac Newton

The nuclear process occurring at a nuclear power plant.

• Nuclear fusion
• Nuclear fission
• Combustion
• Multiplication

Arrange in order of increasing ability to penetrate matter.

• Beta, gamma, alpha
• Alpha, gamma, beta
• Gamma, beta, alpha
• Alpha, beta, gamma

Which type of radiation has the greatest penetrating power?

• Alpha
• Beta
• Gamma 
• Microwaves

The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?

• 33.0 mg
• 12.5 mg
• .33 mg
• 15.8 mg

What happens to the atomic number during alpha decay?

• The atomic number decreases by 4
• The atomic number increases by 1
• The atomic number decreases by 2.
• The atomic number stays the same.