Which noble gas is isoelectronic with a bromide ion?

Name: Which noble gas is isoelectronic with a bromide ion?
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Question

Quizplus · Accepted Answer

Krypton is isoelectronic with a bromide ion, as both have 36 electrons. Bromide ion, being the anion of bromine (Br), has an atomic number of 35 and gains an extra electron to achieve a stable electronic configuration, totaling 36 electrons, which matches the electron count of krypton (atomic number 36).

Which Noble Gas Is Isoelectronic with a Bromide Ion