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Chemistry
Beryllium has higher ionisation enthalpy than boron. This can be explained as,
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Q. Beryllium has higher ionisation enthalpy than boron. This can be explained as,
Classification of Elements and Periodicity in Properties
A
beryllium has higher size than boron hence its ionisation enthalpy is higher
6%
B
penetration of 2p-electrons to the nucleus is more than the 2s-electrons
0%
C
it is easier to remove electron from 2p-orbital as compared to 2s-orbital due to more penetration of s-electrons
94%
D
ionisation energy increases in a period.
0%
Solution:
it is easier to remove electron from $2p$-orbital as compared to $2s$-orbital due to more penetration of s-electrons