Question
In comparison to boron, berylium has
✓
Answer
d
Since boron has higher nuclear charge because it has greater atomic number and lower $1^{st}$ $I.E.$ then beryllium due to fully filled $s-$ orbital.
Since boron has higher nuclear charge because it has greater atomic number and lower $1^{st}$ $I.E.$ then beryllium due to fully filled $s-$ orbital.
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