The element which has been measured to have the lowest density is hydrogen. Not only is hydrogen the least dense element, it is also the most plentiful on earth.
The element with the lowest density is hydrogen.
Hydrogen with 0.09 density
Hydrogen has the lowest density of all elements. Density of it is 0.084 gm-3. It is a diatomic gas.
Hydrogen
hydrogen
Hydrogen: 0,089 88 g/L at 0 0C and 101,325 kPa.
hydrogen
Helium has the lowest electronegativity among all elements.
Iridium is the elemento with the highest density
Hydrogen is the least dense of all the elements and all other known substances.
Radon is the densest gaseous element.
Hydrogen because it is only one proton and one electron.