What is the name for CI^2O^7

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

What is the mass of phosphorous in a 51-kg person