What are Lewis structures? Write the Lewis structure of `H_(2), BeF_(2) and H_(2)O.`

Explanation

The outer shell electrons are shown as dots surrounding the symbol of the atom. These symbols are known as Lewis symbols or Lewis structures. The Lewis structure of
(i) `H_(2) - H : H`
(ii) `BeF_(2) - :underset(* *)overset(* *)F:Be:underset(* *)overset(* *)F:`