How many mL of water must be added to 39 mL of a 4.00 M stock CuSO4 solution to make a solution with a concentration of 0.58 M ? (Hint: Stock solution + added water = total volume of solution)

elements make up everything, and they combine to make compounds.

the answer is c

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.