alloy – A material containing two or more metals, or a metal and a non-metal.
delocalized – Electrons that are free to move throughout a structure.
ductile – Capable of being drawn out into a wire.
grain – A crystal of metal.
malleable – Capable of being bent and pressed into a different shape.
metallic bonding – The strong attraction between positive metal ions and the ‘sea of electrons’.
sea of electrons – Delocalized electrons from the outer shell of metal atoms and which move freely in metallic structures.