Unit 4 - Nuclear Chemistry

What is the symbol for an alpha particle?

• ⁴₂He
• ⁰_-1e
• ⁰₊₁ e
• ¹₀n

In the symbol ²⁰⁶₈₂Pb what does 206 stand for?

• Mass number
• Atomic number
• Atomic mass
• Number of protons

Choose the particle that completes this equation:

¹⁴₆C --> ⁰_-1e + ________

• ¹⁴₅B

• ¹⁴₆C

• ¹⁴₇N

• ⁴₂He

In a nuclear reactor what absorbs neutrons to slow down the chain reaction?

• generator

• turbine

• control rods

• fuel rods

In the symbol ¹⁶₇N what the 7 stand for?

• Mass number

• Atomic number

• Atomic mass

• Number of neutrons

In fission neutron is often used to start the reaction and it is also a product of the reaction. This is called a ____

• neutron emission
• nuclear fusion
• domino effect
• chain reaction

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 nuclear process occurring at a nuclear power plant is called what?

• 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