Question

ionisation enthalpy of group 13 elements do not decrease smoothly down the group. why?​

Answer 1

Answer:

because their atomicity were decreasing.

Explanation:

Answer 2

Answer:

The ionization enthalpy for elements along a group generally reduces. But there is an exception for group 13 elements and the order is not uniform. According to my textbook, the reason for this is the weak screening effect of electrons in d and f orbitals

Explanation:

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