Assertion: titanium's isotope | /r/HasProperty | titanium-49 5.5 percent
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Source sentences:
text: Natural titanium consists of five stable isotopes: titanium-46 (8.0 percent), titanium-47 (7.3 percent), titanium-48 (73.8 percent), titanium-49 (5.5 percent), and titanium-50 (5.4 percent).