Assertion: technetium | /r/HasProperty | co
Facets:
Source sentences:
text: Special care must be exercised with volatile compounds such as Tc 2 O 7 , HTcO 4 , MeTcO 3 , Me 3 SiOTcO 3 , and Tc 2 (CO) 10 to avoid inhalation and the unwanted spread of radioactivity.