1. AP Chemistry Practice Test

AP Chemistry Multiple Choice Practice Test

Question 1 of 3
71% Get this Question Right
Assign oxidation numbers to each atom in calcium perchlorate, Ca(ClO4)2.
Ca=0; Cl=-1; O=-2
Ca=+2; Cl=-1; O=-2
Ca=+2; Cl=+7; O=-2
Ca=+2; Cl=+5; O=-2
Ca=0; Cl=0; O=0