Formal charge

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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What Wikipedia says

In chemistry, a formal charge (F.C. or q*), in the covalent view of chemical bonding, is the hypothetical charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms, regardless of relative electronegativity.

Excerpt from the Wikipedia article “Formal charge”, under the CC BY-SA 4.0 license. Read the article on Wikipedia