Based on the ion structure, which of the following elements would form a bond with calcium in a one to one ratio and why?
O A. One selenium ion would bond to one calcium ion because the combination of their charges would result in a full octet.
OB. One bromine ion would bond to one calcium ion because they are both located on period 4.
OC. One selenium ion would bond to one calcium ion because they are both located on period 4.
OD. One bromine ion would bond to one calcium ion because the combination of their charges would result in a full octet.

Based on the ion structure which of the following elements would form a bond with calcium in a one to one ratio and why O A One selenium ion would bond to one c class=