The chemical properties of matter comes mostly from its
-
Neutrons
-
Valence electrons
-
Protons
-
Neucleous
B
Correct answer
Explanation
Valence electrons are the outermost electrons involved in chemical bonding and reactions, determining how atoms interact. Protons and neutrons are in the nucleus and don't directly participate in chemical bonding, while 'Neucleous' is a misspelling.