Assertion: fluorine's compound | /r/CapableOf | achieve an oxidation state
Facets:
value: above +2
type: OTHER
value: for a group 12 element
type: OTHER
Source sentences:
text: For example, the synthesis of mercury tetrafluoride, the first compound to achieve an oxidation state above +2 for a group 12 element, breaking the filled 5d-shell, again showing the significance of the relativistic effects on the heavy elements, and fueling the debate over whether mercury, cadmium, and zinc are transition metals, occurred at cryogenic temperatures and the compound decomposes at the temperatures of solid nitrogen.