Nuclear Chemistry Vocabulary Flashcards

Front

Isotope

Back

of the same element with different numbers of neutrons

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Atomic number

Back

of protons in the nucleus of an atom

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Mass number

Back

number of protons and neutrons in a nucleus

Front

Atomic mass

Back

weighted average mass of the naturally occurring isotopes

Front

Alpha particle

Back

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Positron

Back

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Nuclide

Back

type of atom defined by number of protons and neutrons

Front

Spontaneous decay

Back

breakdown of unstable nucleus, emitting radiation

Front

Chemical reaction

Back

involving rearrangement of electrons, not nuclei

Front

Nuclear reaction

Back

changing the composition of an atom’s nucleus