Answer :

Valence electrons are the electrons that are in an atom's outermost layer. 
Every atom is made of protons, neutrons, and electrons.
Electrons are outside them both.
They have energy levels (number of electrons per layer)
And the number they have on the farthest layer are the valence electrons. 
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jasminemarie420
Valence Electrons are electrons in the outermost lay. They are also involved in the bonding of adjacent atoms. 

Hope I helped (:

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