Only the valence electrons
The valence electrons are the part that takes place in a chemical reaction.
The electrons
When an element reacts with another element, they form a compound. How a compound is formed has to do with the number of valence electrons. The valence electrons are the electrons which are held in the outer most energy level.
the valence electrons
Electrons.
Electrons - the valence electrons
Proton and Neutron do not take part in chemical reaction. Only electron takes part in the reaction.
An atom. However it should be noted that generally the valence electrons in an atom take part in a chemical reaction.
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8 letters
the number of protons and neutrons
The electrons that participate in chemical bonds are located in the "valence shell" or outer energy level of that atom. They are known as the valence electrons, and they are the only part of the atom that participates in a chemical reaction.