1. A Review of General Chemistry

How many valence electrons does each of the following contribute to a Lewis structure?

(c) B

How many valence electrons does each of the following contribute to a Lewis structure?

(g) S

How many valence electrons does each of the following contribute to a Lewis structure?

(i) Cl

How many valence electrons does each of the following contribute to a Lewis structure?

(l) ―1 charge

Show how the Lewis dot structure for each of the following atoms would overlap to form a single bond.

(b) C and O

Which atom in each pair would you expect to be the central atom in a Lewis structure?

(b) C vs. O

Which atom in each pair would you expect to be the central atom in a Lewis structure?

(d) C vs. N

Which atom in each pair would you expect to be the central atom in a Lewis structure?

(f) C vs. F

Given the atoms involved and the number of valence electrons remaining, complete the Lewis structure by placing bonds between atoms such that each has a full octet.

(d)

Given the atoms involved and the number of valence electrons remaining, complete the Lewis structure by placing bonds between atoms such that each has a full octet.

(e)

Draw the Lewis structure for the following molecular formulas.

(l) SO₄^2-

In addition to radicals, anions, and cations, a fourth class of reactive intermediates is carbenes. A neutral species, the simplest carbene has a molecular formula of CH₂.

(a) Draw the Lewis structure of CH₂.

Draw the Lewis structure for the following molecular formulas.

(j) H₂SO₄

Draw the Lewis structure for the following molecular formulas.

(v) CH₅N

Draw a Lewis structure for each of the following:

d. NH₂O⁻