Nuclear Chemistry and Decay Reactions

The three main types of nuclear radiation are alpha, beta, and gamma. Which of the following lists these types of radiation from highest penetrating power to lowest penetrating power?

• alpha, gamma, beta

• beta, alpha, gamma

• beta, gamma, alpha

• gamma, beta, alpha

Which equation correctly represents the alpha decay of polonium-214?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-8

This equation shows the radioactive decay of thorium (Th). Which of the following particles is released in this reaction?

• alpha

• beta

• neutron

• gamma

Tags

NGSS.HS-PS1-8

• alpha particle

• beta particle

• neutron

• proton

Tags

NGSS.HS-PS1-8

• A

• B

• C

• D

Tags

NGSS.HS-PS1-8

• A

• B

• C

• D

Tags

NGSS.HS-PS1-8

• it's 88 because element X gains 2 protons

• it's 218 because element X loses 2 protons and 2 neutrons

• it's 220 because element X loses 2 neutrons

• it's 226 because element X gains 2 protons and 2 neutrons

Tags

NGSS.HS-PS1-8

What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron