ARCHIVES*(Last 8 Years)

Which of the following is a common characteristic of a covalent compound?

The compound that does not have a lone pair of electrons is _____ (water, ammonia, carbon tetrachloride).

Draw an electron dot diagram to show the formation of methane.

Draw an electron dot diagram to show the formation magnesium chloride. $\left(\mathrm{Mg}=12 \mathrm{and} \mathrm{Cl}=17\right)$

By drawing an electron dot diagram show the formation of ammonium ion. (Atomic number $\mathrm{N}=7$ and $\mathrm{H}=1$)

Compare the compounds carbon tetrachloride and sodium chloride with regard to solubility in water and electrical conductivity.

State the type of bonding in the following molecules.
Water

State the type of bonding in the following molecules.
Calcium oxide