An incomplete Lewis structure is shown below. The structure only shows the atoms and how they are connected. The molecule has a net charge of -1. H. H H. Complete the Lewis structure giving all atoms full octets. If there is more than one way to do this, draw resonance structures showing all possibilities. If not, just draw one Lewis structure. Be sure to write in any non-zero formal charges. Click and drag to start drawing a structure.
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
Lewis’s structure:
Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified representation of the valance shell electrons (bond pair and lone pair) of a molecule. In the Lewis structure, the valance electrons are represented by the dot. The lone pair of electrons is represented by the pair of dots and the bonding electron pair can be represented by the pair of dots between the atoms or by a bond line.
Step by step
Solved in 2 steps with 1 images
