Answer:
The electrons are found on the atomic nucleus.
Explanation:
Answer:
The reactants and products in a chemical reaction contain the same atoms, but they are rearranged during the reaction. As a result, the atoms end up in different combinations in the products. This makes the products new substances that are chemically different from the reactants.
Explanation:
The two objects are net force and mass.
The net force is the total amount of force going on one direction, and mass is amount of matter in which it's contained in a particle/object.
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Zirconium cannot be broken down by a chemical change, because it is an element. The others are all molecules.