$A$ molecule of ammonia has the formula $NH_{3}$. Predict the total number of bonds present around the nitrogen atom.

The correct electron dot structure of a water molecule is:

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

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

Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms,e.g. hydrogen. After the formation of four bonds,carbon attains the electronic configuration of

What will be the formula and electron dot structure of cyclopentane?