Reactants would be the missing word in the sentence because they make up the products in a chemical reaction
Exothermic reactions release heat the surrounding. So Freezing?
Answer:
The parts of an atom are<em><u> protons, electrons, and neutrons.</u></em>
A proton is positively charged and is located in the center or nucleus of the atom.
Electrons are negatively charged and are located in rings or orbits spinning around the nucleus.
The number of protons and electrons is always equal.
