Faasino i le vaega o loo i lalo ma tali le fesili mulimuli ane i le gagana lava lea e tasi e pei o le vaega: Vaega: I le faaopoopo atu i Na3P, e lima isi tuufaatasiga binary o sodium ma phosphorus ua iloa: NaP, Na3P7, Na3P11, NaP7, ma NaP15. Fesili: O le a le tuufaatasiga e lima o sodium ma phosphorus isi nai lo Na3P?
NaP, Na3P7, Na3P11, NaP7, ma le NaP15