based property that will be different 1) Identify One iso-electronic molecules (tso-electronic compounds. on molecolar geometry in the following have the same number of valence Electrons). a) (F₂Br and CE b) OCS and CO₂ 14 + fu

20)       For carbon disulfide (toxic, malodorous, flammable liquid) and selenium disulfide (solid, melting point 111oC, over-the-counter drug used to treat certain types of dermatitis) a) compile their Lewis electron dot formulas     b) identify their electron pair geometry according to the VSEPR theory, c) determine which of these two molecules is polar and which is non-polar and shortly explain why

The ion PO 4 A/ 3- has double bonds. A 1 total valence electrons, the shape is , and the molecule contains

4. Explain why the following molecules can NOT existis X

Use the information on the fictious nonmetal elements. to answer the following Element Colomn EN ff 1.9 14 17 3.1 2.3 3.6 15 Nn 16 Shoos one of the followng mokcular compounds and completc the queSTIons: Nn Oyzlshape is benti V) ODraw a leuis Structure Shoudng all lalonce electrons. ) Calculate the electrongativity the bond. State what a paar covalert band, notate the partial difference for Gf bond will form If it is charges d) Detamine if the molecule is polar or polar. non-

Predict the electron pair geometry and molecular geometry for the following substances by drawing their Lewis structures. Also state if each substance is polar or nonpolar. a) BH3. i) Lewis Structure: b) H₂O ii) Electron pair Geometry: iii) Molecular Geometry: iv) Polar or Nonpolar:

13.) All of the following follow the octet rule EXCEPT Group of answer choices NBr3 BrCl SCl2 BeCl2 CHCl3

Predict the molecular shape of XOCI with the VSEPR theory. (X represents a generic atom)