Assertion: tellurium's formation | /r/HasProperty | complexes of astatine cations
Facets:
Source sentences:
text: Further indications of a tendency for astatine to behave like a (heavy) metal are: "... the formation of pseudohalide compounds ... complexes of astatine cations ... complex anions of trivalent astatine ... as well as complexes with a variety of organic solvents".