A student has an iron block that is coated in aluminum. The block has a volume of 1 cm3. Would the mass be more than 7.86 g or less than 7.86 g? How do you know? (Use the densities in the table above)

answer; economic order quantity;

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.