Question

what is formal charge​

Answer 1

Answer:

The formal charge is the charge of an atom in a molecule.

Answer 2

Explanation:

1. In chemistry, the formal charge (FM) is the charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms, regardless of relative electronegative.
2. When determining the best Lewis structure for a molecule, the structure is chosen such that the formal charge on each of the atoms is as close to zero as possible.
3. The formal charge of any atom in a molecule can be calculated by the following equation :

FC = V - N - B/2

where V is the no.of valence electrons of the neutral atom in isolation ; N is the no.of non-bonding valance electrons on this atom in the molecule; and B is the total no.of electrons shared in bonds with other atoms in the molecules.

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