Chemistry
NULL
Medium
Question
Which of the following elements has greater 1st ionization energy__________________?
A
B
B
C
C
N
✓ Official correct answer
D
O
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A
B
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B
C
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C
N
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D
O
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Explanation
Nitrogen has a higher first ionization energy than oxygen, boron, and carbon, due to the extra stability of its half-filled 2p³ electron configuration.
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