The first four ionisation energies for element x are shown in the table.

Afour-year college’s application process takes into account all of the following except

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?