Kossel - Lewis Approach to Chemical Bonding

Use Lewis symbols to show electron transfer between the following atoms to form cation and anion: 

$\mathrm{Al}$ and $\mathrm{N}$

Use Lewis symbols to show electron transfer between the following atoms to form cations and anions :

$\mathrm{Ca}$ and $\mathrm{O}$

Draw the Lewis structure for the following molecule: 

$\mathrm{HCOOH}$

Draw the Lewis structure for the following ion: 

${\mathrm{CO}}_3^{2-}$

Draw the Lewis structure for the following molecule: 

${\mathrm{SiCl}}_4$

Draw the Lewis structure for the following molecule: 

${\mathrm{BeF}}_2$

Write Lewis symbols for the following atom and ion:

$\mathrm{H}$ and ${\mathrm{H}}^{-}$

Write Lewis symbols for the following atom and ion: 

$\mathrm{Al}$ and ${\mathrm{Al}}^{3+}$

Write Lewis dot symbol for atom of the following element: 

$\mathrm{Br}$

Write Lewis dot symbol for atom of the following element: 

$\mathrm{N}$

Write Lewis dot symbol for atom of the following element:

$\mathrm{O}$

Write Lewis dot symbol for atom of the following element: 

$\mathrm{B}$

Write Lewis dot symbol for atom of the following element: 

$\mathrm{Na}$

Explain the formation of ${\mathrm{H}}_2$ molecule on the basis of valence bond theory.

The skeletal structure of ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}$, as shown below is correct, but some of the bonds are shown incorrectly. Write the correct Lewis structure for acetic acid.

Use Lewis symbols to show electron transfer between the following atoms to form cations and anions : 

$\mathrm{K}$ and $\mathrm{S}$

Define octet rule. Write its significance and limitations.

Draw the Lewis structure for the following molecule: 

${\mathrm{H}}_2\mathrm{S}$

Write Lewis symbols for the following atom and ion: 

$\mathrm{S}\mathrm{}$ and ${\mathrm{S}}^{2-}$.

Write Lewis dot symbol for atom of the following element:

$\mathrm{Mg}$