Write answers to the following questions for these compounds: SO2 (sulfur in the middle with the two oxygens attached to it) C2H2 (carbons attached to each other with one hydrogen attached to each carbon CO2 (carbon in the middle with two oxygens attached to it). 1. determine the number of valence electrons for each compound 2. draw a Lewis structure and include non-bonding electrons if necessary 3. write the electron group geometry and molecular geometry terms
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.
Write answers to the following questions for these compounds:
SO2 (sulfur in the middle with the two oxygens attached to it)
C2H2 (carbons attached to each other with one hydrogen attached to each carbon
CO2 (carbon in the middle with two oxygens attached to it).
1. determine the number of valence electrons for each compound
2. draw a Lewis structure and include non-bonding electrons if necessary
3. write the electron group geometry and molecular geometry terms
4. determine whether or not the compound is polar or non-polar
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