Radioactive Decay Assessment

Which of the following has the greatest penetrative capabilities?

• Beta Particles

• Delta Rays

• Gamma Rays

• Alpha Particles

Which of the following is alpha decay?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-8

What is the antiparticle of an electron?

• proton

• neutrino

• polectron

• positron

What charge does a gamma ray have?

• +1

• +2

• No charge

• -1

Tags

NGSS.HS-PS4-3

What does "half-life" mean

• Half of the time it takes for all of the nuclei to decay

• The time it takes for half of the nuclei to decay

Tags

NGSS.HS-PS1-8

• a positron is emitted

• the amount of protons in the nucleus decreases

• an electron and an antineutrino is emitted

Tags

NGSS.HS-PS1-8

Which of the following is true about gamma decay?

• The amount of neutrons and protons in the parent nucleus changes

• The nucleus gains energy

• a neutrino is emitted

• The composition of the nucleus doesn't change, only the energy

Tags

NGSS.HS-PS1-8

TRUE OR FALSE: The lifetime of a group of nuclei can't be determined exactly

• TRUE

• FALSE

Tags

NGSS.HS-PS1-8