Radioactivity quizizz

What is the definition of a "half life"

• The time it takes for all of a radioactive substance's atoms to decay.

• The time it takes for half of a radioactive substance's atoms to decay.

• The time it takes for a quarter of a radioactive substance's atoms to decay.

• The time it takes for all of a radioactive substance's molecules to decay.

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If we had 20,000 atoms of a radioactive

substance. If the half-life is 1 hour, how many atoms of that substance would be left after what percent of atoms would be left over after 2 hours

• 100%

• 12.5%

• 25%

• 50%

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What type of radiation releases a helium nucleus

• Beta

• Alpha

• Gamma

• DA HULK

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What type of radiation switches a neuton to a proton and an electron and kicks the electron out of the atom (increases the atomic number by one).

• Gamma

• Alpha

• It is Beta (get trolled)

• Beat

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What type of radiation releases a high-energy ray

• Gamma

• Beta

• Alpha

• DA HULK GETS SMART IN ENDGAME

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What is fission

• Splitting a nucleus into two nuclei with smaller masses.

• Combining of two nuclei with smaller masses to form one nucleus with a larger mass.

• Halfin an atom

• ClicK hERE

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What is fusion

• clICk heRE

• Combining of two nuclei with smaller masses to form one nucleus with a larger mass.

• Splitting a nucleus into two nuclei with smaller masses.

• DIGIMON!!!!!!!!!!!!!!!!!!!!!

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What are the types of nuclear reactions

• beta

• alpha

• fission

• gamma

• fusion

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what are the types of radioactivity

• fission

• gamma

• beta

• fusion

• alpha

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Trollollollollo! What are the sources of radioactivity? Sorry Not Sorry

• primordial

• Mr. Snow

• Cosmogenic

• Not this

• man-made

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