How many unpaired electrons are there in an atom of an element with the following electronic configuration? 1s22s22p6

Assessment: WAEC SSCE - Chemistry - 1997 (Objective) Subject: Chemistry

Question 1 Report

How many unpaired electrons are there in an atom of an element with the following electronic configuration? 1s22s22p6
Answer Details
An atom with the electronic configuration 1s22s22p6 has a completely filled valence shell, which means that all of its electrons are paired. Therefore, the number of unpaired electrons in this atom is zero (0).
Read lesson note on Atomic Structure And Bonding (JAMB)
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