Radioactivity

The splitting of a nucleus into smaller, lighter nuclei is called

• fusion

• fission

Tags

NGSS.HS-PS1-8

What force holds neutrons and protons together in the nucleus?

• Electronegative force

• Strong nuclear forces

• Weak nuclear forces

• Hydrogen bonding

Tags

NGSS.HS-PS1-8

How do nuclear power plants work?

• Chemical Reactions

• Fusion Reactions

• Fission Reactions

• Hydro-powered reactions

Tags

NGSS.HS-PS1-8

Atoms of a particular element that have different numbers of neutrons are called:

• Isotopes

• Ions

• Isometrics

• Isomers

What type of decay is shown here

• alpha decay

• beta decay

• gamma decay

Tags

NGSS.HS-PS1-8

Which type of nuclear radiation can be stopped by a sheet of paper?

• Alpha

• Beta

• Gamma

Where does radioactivity have application in our lives?

• Medicine

• Energy (electricity)

• Agriculture

• All of the above

Tags

NGSS.HS-PS1-8

The rate at which a radioactive element decays is its ____.

• quarter life

• whole life

• wonderful life 

• half life

Tags

NGSS.HS-PS1-8

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

If the half life of a radioactive element is 100yrs, how long would it take for the radioactivity to reduce by one half?

• 200yrs

• 100yrs

• 50yrs

• 300yrs

Tags

NGSS.HS-PS1-8