Semester 1 Recovery Assignment

Which reaction produces harmful radioactive waste?

• Fission

• Photosynthesis

• chain reaction

• Fusion

_____is the joining of atomic nuclei

• Fusion

• chain reaction

• Photosynthesis

• Fission

_______is the splitting of atomic nuclei

• Fission

• nuclear reaction

• Fusion

• bayler reaction

Which process occurs naturally in the centre of stars like the Sun

• Bi-multiple reaction

• Fission

• chemical

• fusion

What is a chain reaction?

• When electrons are emitted causing electricity
• When a nuclear fission reaction occurs, the protons emitted can strike other nuclei in the sample, and cause them to split
• When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split
• When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split

How is the alpha particle written in a nuclear equation?

• ⁴₂He

• ²₄He

• ⁰_-1e

• ⁰₀γ

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

Gamma rays have

• no mass

• a huge mass

• a small mass

• an average mass

During beta-particle emission, a neutron splits into a____________________.

• proton and electron

• neutron and electron

• neutron and proton

Has the symbol

• Alpha
• Beta 
• Gamma