Lewis Symbol

Lewis dot symbol of S (atomic no. 16) is

Draw Lewis dot symbol for Beryllium (Be) and Boron (B)

Draw Lewis dot symbols for the elements of third period of the periodic table.

Write the Lewis dot symbols of the following ions : Li^(+),Cl^(-),O^(2-),Mg^(2-)and N^(3-)

Write the Lewis dot symbols of the following elements : Be, Na, B, O, N, Br.

Write the Lewis dot symbols and predict the valencies for the following elements: a. Phosphorous , b. Chlorine c. Argon