June 2023 1 2 Report
Escribe el número atómico de los siguientes elementos químicos:
Hidrógeno (H): Z =
Helio (He): Z =
Litio (Li): Z =
Berilio (Be): Z =
Boro (B): Z =
Carbono (C): Z =
Nitrógeno (N): Z =
Oxígeno (O): Z =

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