Nuclear Chemistry

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

Complete the sentence: As time passes the level of radiation produced by a radioactive material...

• Decreases
• Increases
• Remains constant

What is one problem with using nuclear fission as an energy source?

• finding radioactive elements that have longer half-lives
• finding ways of storing radioactive wastes
• finding compounds to cool heated water
• finding non-radioactive elements for reactors

What sort of shield will block gamma rays?

• skin
• paper
• aluminum
• thick lead

What does it mean when an element is radioactive?

• atom emits radiation
• nucei unstable due to uneven p to n ratio
• nuclei changes to become stable
• all of the above

What would two different isotopes of an atom have in common?

• Number of neutrons 
• Number of protons
• Atomic weight 
• Atomic mass

In what part of an atom can protons be found? 

• Inside the electrons
• Inside the neutrons 
• Inside the atomic nucleus 
•  Inside the electron shells