What element found in the fourth row of the periodic table can form the following molecular structure?

Draw the Lewis structure for PCl₅ and determine the number of valence electrons surrounding P.

Sulfur trioxide and water reacts to form sulfuric acid. Provide the Lewis structure of sulfuric acid.

4-Anisaldehyde, C₈H₈O₂, is a colorless volatile liquid that gives aniseed its sweet floral smell. The structure of 4-anisaldehyde is shown below. Determine the total number of valence electrons in lone pairs in this molecule.

What is the Lewis structure for AsF₃? How many lone pairs of electrons does it have?

Chloromethane is an organohalogen compound used commonly as a refrigerant. It is an odorless, colorless, and flammable gas. The mass percent composition of chloromethane is 23.8% C, 6.0% H, and 70.2% Cl with a molar mass of 50.49 g/mol. Use the given mass percent compositions to determine the molecular formula of chloromethane. Using the molecular formula, draw a Lewis dot structure for chloromethane.

Given the statements about covalent Lewis structures, which is/are applicable for neutral molecules?

A. Only electrons that participate in bonding can be included in the Lewis structure.

B. Hydrogen atoms can form more than one bond and can be the central atom of a Lewis structure.

C. The number of electrons used in a Lewis structure is equal to the sum of the valence electrons of the atoms.

D. In a Lewis structure, every atom should only have eight electrons around them.

E. The electrons in a covalent compound may be shared between atoms.