Helium has the lowest electronegativity among all elements.
Hydrogen is the element with the lowest mass on the periodic table.
Oxygen is the element that can combine with almost all other elements.
Steel is not a pure element, as it is an alloy composed primarily of iron with small amounts of carbon and other elements.
Barium
Helium has the lowest electronegativity among all elements.
Hydrogen
Hydrogen with 0.09 density
Hydrogen is the least dense of all the elements and all other known substances.
Hydrogen has the lowest density of all elements. Density of it is 0.084 gm-3. It is a diatomic gas.
Hydrogen because it is only one proton and one electron.
Helium has the lowest freezing and boiling points of all elements. It freezes at around -272 degrees Celsius and boils at around -268 degrees Celsius.
Hydrogen is the element with the lowest mass on the periodic table.
Helium has the lowest boiling and freezing points of all elements. It boils at -268.9°C and freezes at -272.2°C.
Hydrogen: 0,089 88 g/L at 0 0C and 101,325 kPa.
hydrogen
Helium is the second lightest element. Helium has the lowest boiling point among all the elements. It is chemically inert.