Draw a Lewis structure for

CS2.

Which one of the following is most likely to be a covalent compound?

a) $\ce{LiF}$

b) $\ce{Sr(NO3)2}$

c) $\ce{CsOH}$

d) $\ce{CaO}$

e) $\ce{NF3}$

Draw a Lewis structure for

PH4+;

Predict the chemical formula for the following binary ionic compound given the formula of calcium oxide, $\mathrm{CaO}$.

Beryllium oxide

In which one of the following chemical species is its best Lewis structure a resonance structure?

a. $\ce{CO2}$
b. $\ce{ClO3-}$
c. $\ce{COCl2}$
d. $\ce{NO2+}$
e. $\ce{HCN}$

How to draw a Lewis structure for C${_2}$F${_4}$?

Draw a Lewis structure for
(c) $\mathrm{SbH}_3$.

Write the electron configuration of each ion.

oxide ion

What is the Lewis structure of $\ce{C2F4}$?

Draw a Lewis structure for

C2F4;

Draw a Lewis structure for
(c) $\mathrm{COF}_2$ (C is central).

Draw a Lewis structure for
(b) $\mathrm{SeCl}_2$;

What is the molecular geometry of nitrate anion, $\ce{NO3-}$?

Draw a Lewis structure for
(a) $\mathrm{SiF}_4$;