Write the number of covalent bonds in the molecule of ethane.

Draw the electron dot structure of ethane,$C_{2}H_{6}$.

If an element $X$ is placed in group $14$,what will be the formula and the nature of bonding of its chloride?

In electron dot structure,the valence shell electrons are represented by crosses or dots.
$(a)$ The atomic number of chlorine is $17$. Write its electronic configuration.
$(b)$ Draw the electron dot structure of chlorine molecule $(Cl_2)$.

Ethane,with the molecular formula $C_2H_6$,has:

An element which is an essential constituent of all organic compounds belongs to :