Physics-
General
Easy
Question
The first ionization energy of boron is less than that of beryllium because
- Boron has higher nuclear charge
- Atomic size of boron is more than that of beryllium
- Boron has only one electron in p-sub-shell
- Atomic size of boron is less than that of beryllium
The correct answer is: Boron has only one electron in p-sub-shell
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