Nuclear Energy 1

What is radioactive decay?

• The process of stabilizing the nucleus of an atom

• The type of decay balances the proton and neutrons ratio.

• The number of half-lifes that would occur in 168 days for chromium-51 (half-life is 28 days).

• The reason nuclear fusion is difficult to use on earth as an energy source.

What type of radiation releases an electron?

• all of these

• gamma ray

• beta particle

• alpha particle

What type of radiation releases a Helium nucleus?

• all of these

• gamma ray

• beta particle

• alpha particle

What type of radiation releases a photon?

• all of these

• gamma ray

• beta particle

• alpha particle

This is an example of _______ decay.

This is an example of _______ decay.

What type of radiation would produce the following?

• all of these

• gamma ray

• beta particle

• alpha particle

What will the atomic mass be of the isotope produced when Uranium-235 undergoes BETA decay?

• 231

• 235

• 233

• 238

What will the atomic mass be of the isotope produced when uranium-235 undergoes ALPHA decay?

• 231

• 235

• 233

• 238

Iodine-131 has a half life of 8 days. Carbon-14 has a half life of 5,730 years. Uranium-238 has a half life of 4.5 billion years. Which material is best used to determine the age of our solar system?

• They are all good to use

• Iodine-131

• Uranium-238

• Carbon-14