Question

estructura de lewis para NH3
H2O
Y
CH4

Answer 1

NH3

N: 1 x 5 e⁻ = 5 e⁻
H: 3 x 1 e⁻ = 3 e⁻
```````````````````````````
        total = 8 e⁻

        ..
  H : N : H
        ``

CH4

C: 1 x 4 e⁻ = 4 e⁻
H: 4 x 1 e⁻ = 4 e⁻
````````````````````````````
      total = 8 e⁻

      H
      ..
H : C : H
      ``
      H

H2O

H: 2 x 1 e⁻ = 2 e⁻
O: 1 x 6 e⁻ = 6 e⁻
```````````````````````````
        total = 8 e⁻

      ..
H : O : H
      ``