Assertion: radon | /r/HasProperty | one of the heaviest gases
Facets:
value: really
type: DEGREE
value: at the room temperature
type: OTHER
Source sentences:
text: It is one of the heaviest gases and is considered to be a health hazard.
text: I am trying to understand what is meant by the statement that Radon is "heavy" -- does this mean that a container filled with the gas would be noticably heavier?
text: Is radon really the heaviest gase at the room temperature?
text: Essentially chemically inert but radioactive, radon is the heaviest noble gas and one of the heaviest gases at room temperature.
text: Radon is a colorless, odorless, gas and is the heaviest gaseous element.
text: Essentially chemically inert but radioactive, radon is the heaviest noble gas and one of the heaviest gases at room temperature.