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A portion of the periodic table is shown below:


Which element has the electron configuration 1s22s22p6?

Argon (Ar)
Chlorine (Cl)
Fluorine (F)
Neon (Ne)

A portion of the periodic table is shown below Which element has the electron configuration 1s22s22p6 Argon Ar Chlorine Cl Fluorine F Neon Ne class=