Question

define ionisation energy how it will vary dawn the group across the period ​

Answer 1

Answer:

So, ionisation energy increases. (b) Down the group: The value of ionisation energy decreases from top to bottom. Because as we move down the group, atomic size increases, the nuclear attraction decreases and it is easy to remove the electrons from valence shell. So, ionisation energy decreases.

Explanation:

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Answer 2

Answer:

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