Assertion: plutonium's life | /r/HasProperty | the time
Facets:
Source sentences:
text: The half life of a radioactive element is the time it takes for half of a sample of the element to break down.
text: a. Half-life is the time it takes for a radionuclide to lose half of its own radioactivity.
text: The half life of a radioactive element is the time it takes for half of a sample of the element to break down.
text: One half-life is the time required for one half of any given quantity of the substance to decay.
text: The half-life is the time it takes for half the atoms of an element to decay.
text: The half-life is the time it takes for half of the plutonium to undergo radioactive decay and change forms.
text: One half-life is the time required for one half of any given quantity of the substance to decay.