Descrizione

 
	41	Magnesio e composti: Mag-ar, Mag-c, Mag-f, Mag-i, Mag-m, Mag-p, Mag-s
	42	Potassio e composti: Kali-ar, Kali-bi, Kali-br, Kali-c, Kali-fcy, Kali-i, Kali-m, Kali-n, Kali-p, Kali-sil, Kali-s 
	43	Primulaceae (cycl like) e e Carc: Anag, Cycl, Lysim, Prim-v e Carc 
	44	Alluminio e composti: Alum, Alum-br, Alum-p, Alum-sil, Alumn
	45	Sodio e composti: Nat-ar, Nat-br, Nat-c, Nat-i, Nat-m, Nat-p, Nat-s 
	46	Ammonio e composti: Am-br, Am-c, Am-i, Am-m, Am-p, Am-s, Am-val
	47	Alcuni Gas: Oxyg, Hydrog, Ozone, Formal, Aether
	48	Alcuni Imponderabili. M-arct, M-aust, M-p-a, Sol, Luna, X-Ray