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Isoelectronic Ions and Atoms

APCHEM-PE3NBK

The iodide ion can sometimes be mistaken for the xenon atom.

Which of the following describes how $I^{-}$ is similar to $Xe$?

A

They have the same number of protons and are essentially the same element.

B

They are found in the same group and share similar properties.

C

They are found in the same period and share similar properties.

D

They have the same number of electrons and the same electron configuration.