Which is an inorganic compound? a.) sample c contains carbon, hydrogen, and nitrogen. b.) sample b contains carbon, hydrogen, and bromine. c.)sample a contains aluminum, hydrogen, and oxygen

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.