D. I or Iodine
This is because they are both in the same periodic family (the halogens) and thus the number of valence electrons are the same
Two subatomic particles that are located in the nucleus of an atom are Protons and Neutrons.
The answer is Thermal Energy :)
Explanation:
The reactants are Aluminium and Copper chloride.
The products are Copper and Aluminium chloride.
The correct answer is option A. Energy cannot be created during an ordinary chemical reaction. There is no such thing as an ordinary chemical reaction. Energy cannot be created or destroyed this is according to the law of conservation of energy. It can only be transformed from one form to another form.