Formal Charge Calculator

Enter the total number of valence electrons, lone pairs of electrons, and total number of bound electrons to calculate the formal charge.

Formal Charge Formula

The following equation is used to calculate the formal charge of an atom.

FC = V – ( LP +.5 * BE)

  • Where FC is the formal charge
  • V is the number of valence electrons
  • LP is the number of lone pair electrons
  • BE is the number of bound electrons

FAQ

What is formal charge?

The formal charge is the electrical charge of an individual atom that is contained within a larger molecule.

How is formal charge calculated?

Formal charge is calculated using the valence, lone pair, and bound electrons of the atom to it’s surrounding molecule.

formal charge calculator

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