What makes metal bonds different from all other bond types?

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

Consider the story you just read. all but one of the choices below indicate that something is living.

Is this correct if not can u correct me