| http://www.w3.org/ns/prov#value | - e, tungsten hexafluoride, and boron trifluoride; oxygenates include oxygen, carbon dioxide, nitrous oxide, and carbon monoxide; and other gases such as hydrogen, deuterium, dimethyl ether, sulfur hexafluoride, arsenic pentafluoride, and silicon tetrafluoride.
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