Assertion: germanium's isotope | /r/HasProperty | radioactive
Facets:
Source sentences:
text: Only xenon-135 has a higher capture cross-section, about 2.0 million barns, but this isotope is radioactive.
text: All the other isotopes are radioactive, with gallium-67 being the longest-lived (half-life 3.261 days).
text: There are 5 stable isotopes of germanium (70, 72, 73, 74, and 76), so with two less neutrons than these you could have these isotopes (68, 70, 71, 72, or 74) of which the isotopes 68 and 71 are radioactive.