The oxidation number of Cr in C4H8CrO5 is +2. The oxidation number of H in C4H8CrO5 is +1. 元素Oxidation Number (Avg)AtomsCount电负性 C +0 -3 (×2), +3 (×2) 4 2.6 O -2 -2 (×5) 5 3.4 Cr +2 +2 (×1) 1 1.7 H +1 +1 (×8) 8 2.2 🛠️ Calculate Oxidation...