Question

_____ ions are those ions that do not change oxidation number or composition during a reaction.
a. hydronium
b. elementary
c. spectator
d. skeleton

Answer 1

_____ ions are those ions that do not change oxidation number or composition during a reaction.

c. spectator

Answer 2

the answer is spectator

(funny since human spectators do the same thing stand by and just watch)

also i took the test