اتا (حرف): تفاوت میان نسخه‌ها

* [[شیمی]], the [[hapticity]], or the number of [[electron]]s shared between a [[metal]] center and a ligand in a [[coordinationترکیبات compoundکمپلکس]]. For example, an [[allyl group]] can coordinate to [[palladium]] in the η¹ mode or the η³ mode.