Cooper is the substance that can't be decomposed by a chemical chAnge. So 4)
The 3rd option
because i’m always right:)
Answer:
Energy
Explanation:
Heat is a form of energy.
Answer:
the atoms of the original substances gain, lose and even share their very own electrons. write the symbols of the elements that form the compound. Write down the valency, and lastly go over valencies. This is all I got so far. I hope this helps
Explanation: