Question

What is the trend in the variation of ionisation energy on moving down a group? Why? ​

Answer 1

Explanation:

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.

Answer 2

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