The ionization energy of boron is less than that of beryllium because :
Chemistry · JEE Advanced · NTA Exams — Classification of Elements and Periodicity in Properties
The ionization energy of boron is less than that of beryllium because :
- beryllium has a higher nuclear charge tha boron
- beryllium has a lower nuclear charge than boron
- the outermost electron in boron occupies a 2p-orbital
- the 2s and 2p-orbitials of boron are degenerate
Answer
(C) the outermost electron in boron occupies a 2p-orbital
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