Assertion: decay's life | /r/HasProperty | 1.9 × 1019 years
Facets:
Source sentences:
text: For example: the half-life of [latex]_{83}^{209}\text{Bi}[/latex] is 1.9 × 1019 years; [latex]_{94}^{239}\text{Ra}[/latex] is 24,000 years; [latex]_{86}^{222}\text{Rn}[/latex] is 3.82 days; and element-111 (Rg for roentgenium) is 1.5
text: For example: the half-life of \(\ce{^{209}_{83}Bi}\) is 1.9 × 1019 years; \(\ce{^{239}_{94}Ra}\) is 24,000 years; \(\ce{^{222}_{86}Rn}\) is 3.82 days; and element-111 (Rg for roentgenium) is 1.5