D. Structure of Molecules and Molecular lons On a separate sheet of paper, set up the following table (with eight columns) for each of the molecules/molecular ions that are assigned to you/your group. The central atom of the molecule/molecular ion is italicized. Molecule or Molecular lon 1.CH₂ 2. JF, 11,0 MH₂ c. MI, Gal, PCL-F, Mil H₂0 Co CF,CT Levis Structure OPCI, H₂CCH₂ 6 CHÍNH H HICH Molecule Valence Shell Bonding Electron Pairs Electron Pairs 3.1.0 L. Complete the table (as outlined above) for the following molecules/molecular ions, all of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor. d. CH₂ & PO, h. PF, L AB, 2. Complete the table (as outlined above) for the following molecules/molecular ions, none of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor. d. XeF₂ e. XeF L. XOF, 4 B SH L. BF, Nonbunding Electron Pairs 0 EXOF, b. S i. SF. Pala c. Br 3. Complete the table (as outlined above) for the following molecules/molecular ions. No adherence to the Lewis octet rule is indicated. Complete those that are assigned by your laboratory instructor, K₂ d. Sal e. SRF, k. Tel 1 AF L. PF₂," E. PF, h. 50, L. CN,' VSETR Formula AX₂ levisstro valon co SIF, k. H.S 1. NH₂ Approx. Bond Angle 109,5 J. SHF k. IF," LIF, 4. Complete the table (as outlined above) for the following molecules/molecular ions. For molecules or molecular ions with two or more atoms considered as central atums, consider each atom separately in the analysis according to Table D3.3. Complete those that are assigned by your laboratory instructor. d. Cl,CCF, B. COCI, e. Cl₂0 h. OCCCO L. CICN L CO, Geometric Shape bedral J..0₂ k. NO, 1. Tel(CH₂) Ga Guls
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.
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