Which property is better explained by the band theory than by the sea-of-electrons model? ductility
thermal conductivity
luster
electrical conductivity

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.