The half life of Thorium-234 is 24 days. What fraction of the element remains after 96 days

• 1/2
• 1/4
• 1/8
• 1/16

Tags

NGSS.HS-PS1-8

In order of most to least penetrating radiation we have

• Alpha , Beta, Gamma

• Beta , Gamma , Alpha

• Gamma, Beta, Alpha

• Gamma, Alpha, Beta

Tags

NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

Tags

NGSS.HS-PS1-8

Has the symbol

• Alpha
• Beta
• Gamma

Has the symbol

• Alpha
• Beta 
• Gamma

Which type of radioactive decay gives off energy only (no particles)?

• alpha

• beta

• gamma

Tags

NGSS.HS-PS1-8

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

Tags

NGSS.HS-PS1-8

Complete the nuclear equation and determine the type of decay that is occurring in this reaction.

• alpha

• beta

• gamma

• none

Tags

NGSS.HS-PS1-8

The time taken for half of an amount of radioactive atoms to decay.

• Nuclear fusion
• Full-life
• Dead time
• Half-life

Tags

NGSS.HS-PS1-8

The nuclear process occurring at a nuclear power plant involves splitting large atoms into smaller atoms & neutrons is called....

• Nuclear fusion

• Nuclear fission

• Combustion

• Multiplication