Radioactive Decay

In the equation, ¹⁴₆C --> ¹⁴₇N + ⁰_-1B, the _______ decay of radioactive carbon-14 results in the creation of a new nitrogen-14 atom.

• Gamma

• Beta

• Alpha

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NGSS.HS-PS1-8

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

• ¹⁴₅B

• ¹⁴₆C

• ¹⁴₇N

• ⁴₂He

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NGSS.HS-PS1-8

The process of nuclear change in an atom of radioactive material is called... 

• nuclear decay

• nuclear mass

• isotopes

• radon

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NGSS.HS-PS1-8

When an atom loses this particle, the atomic number of the product atom is lower by the two and its mass number is lower by four.

• Alpha 

• Beta

• Gamma

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NGSS.HS-PS1-8

A helium nucleus with two protons and two neutrons is called a(n) ____.  

• alpha particle

• electroscope

• beta particle

• gamma ray

During beta-particle emission, a neutron splits into a____________________.

• proton and electron

• neutron and electron

• neutron and proton

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NGSS.HS-PS1-8

Radioactive materials have unstable...

• electrons

• protons

• nuclei

• neutrons

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NGSS.HS-PS1-8

An energized electron resulting from the breaking apart of a neutron in an atom.

• Alpha

• Beta

• Gamma

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NGSS.HS-PS1-8

This term refers to the amount of time it takes for half of a certain substance to undergo radioactive decay.

• alpha life

• beta life

• radioactivity time

• half-life

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NGSS.HS-PS1-8

Which force is responsible for beta decay?

• Electromagnetism

• Weak force

• Strong force

• Gravity

Tags

NGSS.HS-PS1-8