Answer:
Copper is being reduced
Step-by-step explanation:
Since the charge of the copper ion went down (2+ --> 0), we can say that Copper is being reduced. An atom is reduced when electrons are added.
The answer to your question is 503
Answer:
The answer is undefined.
Step-by-step explanation:
The square root of a negative number does not exist in the set of real numbers which makes this undefined.
