Assertion: metal's tendency | /r/CapableOf | diminish for branched-chain alkyls
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Source sentences:
text: They often form dimers, unlike their boron analogues, but this tendency diminishes for branched-chain alkyls (e.g. Pri, Bui, Me 3 CCH 2 ); for example, triisobutylaluminium exists as an equilibrium mixture of the monomer and dimer.