prov:value
| - Examples of the disubstituted tetravalent metal include CrCl2, SiCl2, SiBr2, SiF2, ZrCl2, SiI2, GeCl2, GeBr2, Gel2, GeF2, SnCl2, SnBr2, SnI2, SnF2, TiCl2, TiBr2, and TiF2 ; Si(OH)2, Ge(OH)2, Zr(OH)2, Mn(OH)2, and Sn(OH)2 ; TiR2, CrR2, SiR2, SnR2, and GeR2, where R is an alkyl, phenyl, or naphthyl group or a derivative thereof; Si(OR')2, Sn(OR')2, Ge(OR')2, Ti(OR')2, and Cr(OR')2, where R' is an al
|