Toss Up - Chemistry - Multiple Choice
Which of the following pairs does NOT correctly match the element and its oxidation number?
W) Oxygen in H2O2 and -2
X) Bromine in Br2 and 0
Y) Sodium in NaCl and +1
Z) Sulfur in SO3-2 and +4
ANSWER: W) OXYGEN IN H2O2 AND -2