Answer: electrons
Explanation: A chemical bond is when there is a transfer (movement) of electrons from one atom to another.
The statement describes the part of an atom is gained, lost, or shared during a chemical reaction is "electron."
A chemical reaction occurs when one or more chemicals, referred to as reactants, are changed into one or more distinct substances, referred to as products.
Chemistry's basic component is the atom. It's the simplest unit of matter that can be separated without releasing electrically charged particles. It's also the smallest unit of stuff with chemical element features.
During a chemical reaction, the atoms of the reacting chemicals gain, lose, or share electrons with the atoms of the responding substances. Every chemical bond involves the sharing of electrons. The reaction produces new compounds made up of new atom combinations and distinct electron configurations.
Hence the correct answer is electron.
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