Nuclear Reactions

A nuclear fission reaction occurs when a uranium-235  atom is bombarded with a neutron. This reaction is used to produce energy in a nuclear power plant. Why is it not possible to carry out a nuclear fusion reaction in a nuclear reactor?

• A fusion reaction releases harmful rays
• A fusion reaction is difficult to control
• A fusion reaction requires extremely low temperature and pressure
• A fusion reaction requires extremely high temperature and pressure

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NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

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Has the symbol

• Alpha
• Beta 
• Gamma

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What makes something radioactive?

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

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Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

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NGSS.HS-ESS1-1

Which type of nuclear radiation is being emitted here?

• alpha
• beta
• gamma
• none

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What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron

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When nuclei decay, massive amounts of __________ is released.

• energy

• electrons

• protons

• neutrons

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The force that holds neutrons and protons together in the nucleus is known as the:

• weak nuclear force

• hydrogen bonding

• strong nuclear force

• electronegative force

Atoms of the same element that have different numbers of neutrons and different mass numbers:

• nucleons

• isotopes

• gamma rays

• ions