Topic
Gases
3 questions tagged Gases — spanning every one of the seven Ws.
which
Which element has the lowest density?
Hydrogen has the lowest density of any element, about 0.09 g/L as a gas at standard conditions.
ChemistryGases
whose
Whose discovery made argon the first noble gas identified on Earth?
Lord Rayleigh’s and William Ramsay’s. They discovered argon in 1894 as an unusual component of air.
ChemistryGases
whose
Whose discovery showed that the element krypton was hidden in liquefied air?
William Ramsay’s and Morris Travers’s. In 1898 they discovered krypton while fractionating liquid air.
ChemistryGases