How are the densities of metals and nonmetals different?

Metals have high density and are very heavy. Iridium and osmium have the highest densities while lithium has the lowest density. Non-metals usually have low densities. read more

Both nonmetals and metals take different forms which have different shapes and properties compared to each other. For example, diamond and graphite are two allotropes of nonmetal carbon, whereas austenite and ferrite are two allotropes of iron. read more

Both metals and nonmetals take different forms (allotropes), which have different appearances and properties from each other. For example, graphite and diamond are two allotropes of the nonmetal carbon, while ferrite and austenite are two allotropes of iron. read more

Metals comprise the large majority of the elements, and can be subdivided into several different categories. From left to right in the periodic table, these categories include the highly reactive alkali metals; the less reactive alkaline earth metals, lanthanides and radioactive actinides; the archetypal transition metals, and the physically and chemically weak post-transition metals. read more