Printable Nuclear Physics flash cards
18 words
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http://dynamo.dictionary.com/43065/nuclear-physics
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| activity |
number of atoms of radioactive substance that disintegrate per unit of time |
| atomic mass unit |
mass of an isotope of an element |
| atomic number |
number of positive charges in the nucleus of an atom of a given element |
| binding energy |
energy required to decompose a molecule, atom or nucleus into its constituent particles |
| daughter nucleus |
nucleus remaining after decay in radioactive process |
| decay constant |
reciprocal of the decay time |
| decay rate |
ratio of radioactive atoms decaying in given time to same type of atoms intact at interval's start |
| half-life |
time required for one half the atoms of a given amount of a radioactive substance to disintegrate |
| isotope |
one of two or more atoms with the same atomic number but containing different numbers of neutrons |
| neutron |
elementary particle having no charge constituent of the nuclei |
| nuclear fission |
splitting of an atom's nucleus into nuclei of lighter atoms, accompanied by release of energy |
| nuclear fusion |
thermonuclear reaction in which nuclei of light atoms join to form nuclei of heavier atoms |
| nuclear physics |
branch dealing with behavior, structure and component parts of atomic nuclei |
| nucleon |
proton or neutron, especially when considered component of a nucleus |
| parent nucleus |
original nucleus in radioactive decay process |
| proton |
positively charged elementary particle fundamental of all atomic nuclei |
| radioactivity |
phenomenon of spontaneously emitting radiation from changes in atom nuclei of element |
| transmutation |
process in which a nuclide is transformed into a different one, usually of a different element |
| activity |
number of atoms of radioactive substance that disintegrate per unit of time |
| atomic mass unit |
mass of an isotope of an element |
| atomic number |
number of positive charges in the nucleus of an atom of a given element |
| binding energy |
energy required to decompose a molecule, atom or nucleus into its constituent particles |
| daughter nucleus |
nucleus remaining after decay in radioactive process |
| decay constant |
reciprocal of the decay time |
| decay rate |
ratio of radioactive atoms decaying in given time to same type of atoms intact at interval's start |
| half-life |
time required for one half the atoms of a given amount of a radioactive substance to disintegrate |
| isotope |
one of two or more atoms with the same atomic number but containing different numbers of neutrons |
| neutron |
elementary particle having no charge constituent of the nuclei |
| nuclear fission |
splitting of an atom's nucleus into nuclei of lighter atoms, accompanied by release of energy |
| nuclear fusion |
thermonuclear reaction in which nuclei of light atoms join to form nuclei of heavier atoms |
| nuclear physics |
branch dealing with behavior, structure and component parts of atomic nuclei |
| nucleon |
proton or neutron, especially when considered component of a nucleus |
| parent nucleus |
original nucleus in radioactive decay process |
| proton |
positively charged elementary particle fundamental of all atomic nuclei |
| radioactivity |
phenomenon of spontaneously emitting radiation from changes in atom nuclei of element |
| transmutation |
process in which a nuclide is transformed into a different one, usually of a different element |
