nuclear radiation Flashcards

1
Q

what are the three different types of radiation

A

alpha, beta and gamma

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2
Q

whats radioactivity

A

is the process that occurs when alpha particles, beta particles, or gamma waves are emitted from a unstable nucleus

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3
Q

what are alpha particles

A

particles that are helium nuclei containing two protons and two electrons which are emitted by radioactive nuclei

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4
Q

what are beta particles

A

particles that are fast moving electrons emitted by radioactive nuclei

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5
Q

what are gamma radiation

A

radiation is a high energy electromagnetic wave emitted by radioactivity

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6
Q

what are the particles and waves referred to

A

nuclear radiation

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7
Q

what is the disintegration called

A

radioactive decay

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8
Q

what is the alpha particle the nucleus of

A

helium

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9
Q

what do unstable nuclei emit when they disintegrate

A

they emit alpha, beta and gamma radiation randomly and spontaneously

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