Radioactive Decay and Half-Life

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

• alpha

• beta

• gamma

• none

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Solve Alpha/Beta

How is the alpha particle written in a nuclear equation?

• ⁴₂He

• ²₄He

• ⁰_-1e

• ⁰₀γ

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Alpha/Beta

Which type of nuclear radiation is being emitted here?

• Alpha

• beta

• gamma 

• none

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Alpha/Beta

Solve this equation for beta decay.
₆¹⁴C = ___ + _-1⁰e

• ₄¹⁰Be

• ₇¹⁴N

• ₂¹⁰He

• ₆¹³C

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Solve Alpha/Beta

In a correctly written symbol what would be located in the "A" position?

• number of neutrons

• atomic number

• number of electrons 

• mass number

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Notation

If we start off with element ₂₄X⁵⁰ after an alpha decay we get another element Y that looks like

• ₂₂Y⁵⁰

• ₂₂Y⁴⁶

• ₂₀Y⁴⁸

• ₂₆Y⁵⁴

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Solve Alpha/Beta

If some Protactinium (Pa) decays by alpha it would become...

• Actinium (Ac)

• Thorium( (Th)

• Uranium (U)

• Neptunium (Np)

• Plutonium (Pu)

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Solve Alpha/Beta

If some Protactinium (Pa) decays by beta it would become...

• Actinium (Ac)

• Thorium( (Th)

• Uranium (U)

• Neptunium (Np)

• Plutonium (Pu)

Tags

Solve Alpha/Beta

How many grams of Carbon-14 will remain after 17,100 years?

• 32 g

• 16 g

• 8 g

• 4 g

Which disintigration product is represented on the graph?

• ²⁰⁶Pb

• ⁸⁷Sr

• ⁴⁰Ar

• ¹⁴N

Tags

NGSS.HS-PS1-8