Nuclear Reactions

What makes something radioactive?

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

Tags

NGSS.HS-PS1-8

A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.

• more

• less

• identical

• small

Tags

NGSS.HS-PS1-8

Has a mass of 4 and a charge of +2

• Alpha
• Beta
• Gamma

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NGSS.HS-PS1-8

Has the symbol

• Alpha
• Beta 
• Gamma

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NGSS.HS-PS1-8

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

Tags

NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• alpha
• beta
• gamma
• none

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NGSS.HS-PS1-8

What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron

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NGSS.HS-PS1-8

Nuclear reactions involve changes to the nucleus of an atom. This includes

• protons

• electrons

• neutrons

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NGSS.HS-PS1-8

What is the half-life of iodine-131?

• 32 days
• 8 days
• 16 days
• 24 days

Tags

NGSS.HS-PS1-8