Chapter 16: Atomic Energy Flashcards

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0
Q

mass number

A

protons + neutrons

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1
Q

atomic number

A

number of protons

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2
Q

isotopes

A

same protons

different neutrons

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3
Q

nuclide

A

single type of nucleus (a specific number of protons and neutrons)

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4
Q

nucleons

A

protons or neutrons

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5
Q

positron

A

same mass as electron, but positive charge

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6
Q

radioactivity

A

process by which an unstable nucleus releases particles and/or energy to get to a stable energy state

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7
Q

radioactive

A

describes a nucleus in an unstable state

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8
Q

radiation

A

the particles or energy given off by a radioactive nucleus

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