10572432 10572432

09-12-2019
Chemistry

contestada

which elements have complete outer shells in the periodic table

Respuesta :

cynthya07 cynthya07

10-03-2020

Answer:

Helium (He), Neon (Ne), Argon (Ar)

Explanation:

they are in group 18 elements.

because of their non-reactivity they are called the intern gases or Noble gases.

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