Question

Define the lonisation enthalpy Explain its trends
in the periodic table in groups and periods.
​

Answer 1

Answer:

Trends in ionization enthalpy in a group:

The first ionization enthalpy of elements decreases as we move down in a group. While moving down in a group, the atomic number increases and the number of shells also increases. Outermost electrons are far away from the nucleus and thus can be removed easily.

Explanation:

I I hope it's helpful to you