Lewis Symbols

The number of dots in a Lewis symbol signifies the number of ......... in the ......... shell of the atom.

Draw the Lewis symbol for the following nitrogen (N) and fluorine (F)

Draw the Lewis symbol for Calcium. Will it form an ion? What is the expected charge on ion?

Draw the Lewis symbol for the following nitrogen (N) and fluorine (F)

Suppose an element X has Lewis symbol as overset(.)(X) . Identify the element X from the following options