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

the answer is spectator

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

also i took the test

Answer 2

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

c. spectator