Question

Write electronic configuration and compound Na-11, Cl -16 ,Mg -12

Answer 1

Answer:

1. Chlorine (Cl)

 Electronic configuration : 2, 8 7

                     Valency       : 1

2. Sodium (Na)

  Electronic configuration :2,8,1

                             Valency: 1

3. Silicon(Si)

   Electronic configuration :2,8,4

                            Valency :2