Assertion: actinium's life | /r/HasProperty | half-
Facets:
Source sentences:
text: Purified actinium comes into equilibrium with its decay products at the end of 185 days, and then decays according to its 21.6-year half-life.
text: Purified actinium comes into equilibrium with its decay products at the end of 185 days, and then decays according to its 21.6-year half-life.
text: Purified actinium comes into equilibrium with its decay products at the end of 185 days, and then decays according to its 21.6-year half-life.
text: Purified actinium comes into equilibrium with its decay products at the end of 185 days, and then decays according to its 21.6-year half-life.