Answer:
<u>rearranged</u>
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Explanation:
Atoms are the most basic unit of matter that makes up elements. Atoms are made up of electrons orbiting a nucleus comprising protons and neutrons.
The<u> atomic numbe</u>r, is defined as the number of protons in an atom, while the <u>atomic mass</u>, is the number of protons and neutrons.
In reaction, atoms are not created or destroyed, the atoms simply become rearranged in new formats; molecules are two or more atoms bonded together. Different molecules can join together to form compounds.
