Half Life Decay and Nuclear Reaction Equations

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

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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

If Gadolinium-150 goes through alpha decay, the resulting element has a new atomic mass of _____.

• 150
• 148
• 146

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NGSS.HS-PS1-8

What is the symbol for an alpha particle?

• ⁴₂He
• ⁰_-1e
• ⁰₊₁ e
• ¹₀n

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NGSS.HS-PS1-8

Balance the following equation:
¹⁴₆C --> ⁰_-1e + ________

• ¹⁴₅B
• ¹⁴₆C
• ¹⁴₇N
• ⁴₂He

Tags

NGSS.HS-PS1-8

Type of radiation that requires thick layers of concrete or lead in order to be stopped

• Gamma
• They are equal
• Beta
• Alpha

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• decay
• gamma radiation

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NGSS.HS-PS1-8

Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.

• Fusion
• Fission
• Tracing
• Decay

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NGSS.HS-PS1-8

The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?

• 100.0g
• 50.0g
• 12.5g
• 8.5g

Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?

• 0.25g
• 2.5g
• 25g
• 80g

Tags

NGSS.HS-PS1-8