Answer
a) Radon ($^{86}Rn$): Period 6, Group 8A
b) Tin ($^{50}Sn$): Period 5, Group 4A
c) Carbon ($^6C$): Period 2, Group 4A
d) Magnesium ($^{12}$Mg): Period 3, Group 2A
Work Step by Step
Review the Periodic Table to find each element's group and period number. Periods run horizontally across the Periodic Table, and Groups run vertically.
