Question

Completar los espacios vacíos

Ayúdenme, Gracias:)

Answer 1

Elemento     símbolo     grupo     número de valencia   E de Lewis

                                                                                                         Oxigeno             O           VIA                     -2                               :O:

                                                                                                       ``

Hidrógeno         H              IA                      1                                 H·

                                                                                                         .. 

Cloro                Cl              VIIA              +/-1, 3, 5, 7                      ·Cl:   

                                                                                                         ``

Sodio                 Na             IA                        +1                            Na·

                                                                                                         ..

Flúor                  F                VIIA                     -1                            ·F:

                                                                                                         ``

                                                                                                         ..

Argón               Ar             VIIIA                       0                             : Ar :

                                                                                                          ``