Nuclear Reactions unit test

What makes something radioactive?

• elements with an atomic number above 81
• an unstable nucleus
• contaminated sewage
• It decays over time

Has a mass of 4 and a charge of +2

• Alpha
• Beta
• Gamma

Has the symbol

• Alpha
• Beta 
• Gamma

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

Which type of nuclear radiation is being emitted here?

• alpha
• beta
• gamma
• none

What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron

Which best represents nuclear fission?

• F

• G

• H

• J

During nuclear fission, a nucleus _________.

• grows

• divides

• shrinks

• combines with another