Nuclear Chemistry

What do these symbols represent?

• alpha particle
• beta particle
• neutron
• gamma ray

Which nuclear process is shown in the picture?

• fission
• fusion
• alpha decay
• beta decay

Why does an atom undergo beta decay?

• It has too many electrons.
• It has an atomic number greater than 83
• It has more neutrons than protons
• It has more protons than neutrons

Which type of radiation has the greatest penetrating power?

• Alpha
• Beta
• Gamma 
• Microwaves

Arrange in order of increasing ability to penetrate matter.

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

Alpha particles have a _____ charge.

• +2
• 0
• +1
• -1

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

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

A nuclear reaction where a nucleus splits into two smaller nuclei is... 

• Fission
• Fusion
• Gamma decay
• Beta decay

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

When nuclei decay, massive amounts of __________ is released.

• energy
• jello
• protons
• neutrons