For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced. highlighted atom is being... reaction oxidized reduced neither oxidized nor reduced 2 Croa (aq)+2 H,0+ (aq) + Cr20(aq)+3 H20(1) CuSO4(aq)+Zn(s) + ZnSO4(aq)+ Cu(s) CH4(9)+H2O(g) CO(g)+3 H2(9) NH3(aq)+2O2(g) HNO3(aq)+H2O(1) 5