Lithium is the lightest metallic element. Its atomic weight is 6.491.
Lithium is the lightest element metal with a relative atomic mass of 7 (3 protons, 4 neutrons).
Scandium
Hydrogen. It is the lightest element in the known universe.
hydrogen.
Hydrogen
Lithium is the lightest element metal with a relative atomic mass of 7 (3 protons, 4 neutrons).
Scandium
Hydrogen is a gas, a non-metal, it is the lightest element.
the simplest element. Hydrogen is a gas, a non-metal, it is the lightest element.
Lithium is a soft white alkali metal that is the lightest metal under standard conditions. It is also the least dense solid element.
The lightest alkaline earth metal is Beryllium(Be) having atomic mass 9.012 dalton. The heaviest element in this family is radium.
No - the lightest elements are hydrogen and helium. Although lithium is a lightest metal and the lightest element that is a solid at room temperature.
No hydrogen is the lightest element.
The lightest 'non-metal' could be Hydrogen and Helium! Both are gases, and therefore, not a metal.
Hydrogen is the lightest element.
hydrogen is the lightest element
Hydrogen. It is the lightest element in the known universe.