Assertion: polonium's life | /r/HasProperty | 138.4 days
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Source sentences:
text: 210Po can be used as an atomic heat source, but because of the isotope’s short half-life (138.4 days), it doesn’t provide power for long-term uses.
text: 210Po can be used as an atomic heat source but because of the isotope's short half-life (138.4 days), it doesn't provide power for long-term uses.