Question

Chlorine atom differs from chloride ion in the number of

• A. Proton
• B. Neutron
• C. Electrons
• D. Protons and electrons

Answer 1

Answer: (C)

Electrons

Answer 2

$Cl$ and $Cl^{-}$differs in number of electrons. Cl has $17e^{-}$ while $Cl^{-}$ has $18e^{-}$