Chemistry, 03.11.2020 22:40, herchellann302

! !! 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

Answers: 3

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! !! A portion of the periodic table is shown below:

Which element has the electron con...