The correct answer here is A physical only
The answer is the atomic mass.
Answer:
This is not a chemical change
Explanation:
The dark green solution mixed with the water, but the water is still water. There were no bubbles, smell, temperature change, or any other signs of a chemical change
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Hydrogen ions H +(aq) (from the water) are discharged at the negative electrode as hydrogen gas, H 2(g)