Run a greener race with Tough enoughâ¢ biodegradable race bibs. Introducing a new line of tear and water resistant race bibs printed on a biodegradable paper laminate.Rainbow Racing Systemâs Tough e noughâ¢ race bibs are made of paper with an inner layer of plastic providing the needed durability of synthetic papers such as Tyvek.un a greener race with Tough enoughâ¢ biodegradable race bibs. Introducing a new line of tear and water resistant race bibs printed on a biodegradable paper laminate.
Molecular Compounds have low melting and boiling point as compare to the Ionic Compounds. Molecular Compounds can be in any state, solid, liquid or gas at room temperature, whereas Ionic Compounds are always in solid state with forming crystalline appearance.
Molecular compounds: These compounds are made up of molecules whose atoms bind to one another through covalent bonds. Salts: The atoms in salts are held together with ionic bonds. Unlike molecules, salts always form solids in a regular array called a crystalline solid.