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Which elements have complete outer shells in the periodic table
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Which elements have complete outer shells in the periodic table

User Fred Willmore
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1 Answer

4 votes

Answer:

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

Step-by-step explanation:

they are in group 18 elements.

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

User Brandonbanks
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7.0k points
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