An empty beaker has a mass of 42.889 g. 10.00 mL of NaCl solution are placed in the beaker. The mass of the beaker and solution is 54.129 g. The water is evaporated from the solution, leaving dry
NaCl in the beaker. The mass of the beaker and dry NaCl is 44.079 g.

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.