In a chemical reaction, an iron atom became the ion fe2+. what happened to the iron atom?

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the answer to your question is c.

if you read the house of usher you should know that the house was haunted