What are the material constituents of a 2 Euro coin? #1 belong to which family of materials? Can non hollow forms of #2 float on water?
Euro
A 2 Euro coin is made of a mix of copper and brass. Objects float if their density is less than water. Ancient bronze metal ingots were found on the sea floor off the coast of Italy in 2015.
European currency
Will a 2 Euro coin float across the Red Sea?