Question

what type of crystalline solid is P4, Rb, LiBr and Si?

Answer 1

(i) Tetra phosphorus decoxide (P4O10)                          Molecular

(ii) Ammonium phosphate (NH4)3PO4                            Ionic                          

(iii) SiC                                                                        Network (covalent)

(iv) I2                                                                           Molecular

(v) P4                                                                           Molecular 

(vi) Plastic.                                                                    Amorphous

(vii) Graphite                                                                  Network (covalent)

(viii) Brass                                                                     Metallic

(ix) Rb                                                                            Metallic

(x) LiBr                                                                          Ionic

(xi) Si                                                                           Network (covalent)