Ozzy Osbourne after a cocaine binge.
Iridium is the most strongest, rarest, densest, expensive, lightest metal ever known
Titanium-Worlds lightest metal Tugasun-aka Heavy stone world heaviest metal
The lightest 'non-metal' could be Hydrogen and Helium! Both are gases, and therefore, not a metal.
The lightest metal is lithium.
Lithium is the lightest transition metal.
an arch bridge
lithium
The lightest known metal in the world is lithium. It is an alkali metal with a low atomic mass and density, making it extremely light compared to other metals.
The lightest alkaline earth metal is Beryllium(Be) having atomic mass 9.012 dalton. The heaviest element in this family is radium.
Cobalt.
Helium
The Young's modulus for some materials are:- lbf/sq in.[sorry I couldn't find comparative SI units for all.]Titanium 16x106Beryllium 42x106Osmium 79x106 (but very heavy!) and for comparison,Diamond 150x106. (But not a metal).