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.

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