The data table below shows elements Xx, Yy, and Zz from the same group on the periodic table. What is the most likely atomic radius of element Yy? A. 103 pm
B. 127 pm
C. 166 pm
D. 185 pm

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180