which part of the atom participates in bonding?\no neutron\no nucleus\no electron\no proton

which part of the atom participates in bonding?\no neutron\no nucleus\no electron\no proton
Answer
Brief Explanations:
Electrons, especially the valence electrons in the outermost shell, are involved in chemical bonding. Neutrons and protons are in the nucleus and not directly involved in bonding. The nucleus as a whole is not what participates in bonding.
Answer:
C. electron