kloeweltonn kloeweltonn Today at 3:40 AM Biology Answered Circle 1 2 Circle the most reactive metal in each set. 1) Magnesium / Potassium 2) Aluminum / Gold 3) Cobalt / Cesium / Calcium 4) Iron / Titanium / Potassium 5) Francium / Lithium / Beryllium لی