<span>B. S⁰(s) + 2H⁺ + 2e⁻ –--> H2S⁰(g)
by mass: 1 S and 2 H ----> 2 H and 1S True.
by charge : 0 +(2*(+1)) + 2*(-1) = 0, 0+2-2=0, 0 = 0 True.</span>
Bc it’s the only group that distinguishes amino acids from one another’s
Fe^2 O^3 + 6HCl --> 2FeCl^3 + 3H^2 O
The symbol, the atomic mass, the number of protons and electrons
