The number of bonds present in carbon tetrachloride is:

Give a reason for the following:

Ionic compounds have a high melting point.

Draw the electron dot diagram for the compound given below. Represent the electrons by (.) and (x) in the diagram.

• Water molecule [Atomic No. of $\mathrm{H}=1, \mathrm{O}=8$]

Draw the electron dot diagram of Hydronium ion. $\left(\mathrm{H}=1; \mathrm{O}=8\right)$