De acuerdo con la tabla periódica,¿cuál de las siguientes combinaciones de elementos tiene características semejantes?
1.Sodio (Na), Cloro (CI), Hidrógeno (H)
2. Neón (Me), argón (Ar), criptón (Ir)
3.Litio (Lo),magnesio (MG), azufre (S)
4.Berilio (Be), Carbono(C), Flúor (F)
5.Aluminio (Al), Azufre (A), cloro (CI)
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