What is the potential energy of a 5.0 kg ball sitting on a table 1 meter above the ground? A. 98 J
B. 9.8 J
C. 4.9 J
D. 0.5 J

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.