The chemical properties of matter comes mostly from its
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Neutrons
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Valence electrons
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Protons
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Neucleous
B
Correct answer
Explanation
The chemical properties of matter are primarily determined by its valence electrons - the electrons in the outermost shell that participate in bonding and chemical reactions. While protons determine the element's identity and neutrons affect stability, it's the valence electrons that govern how atoms interact chemically.