CBSE Class 11-science Answered
justify with suitable example ionisation energy decreases down the group in a periodic table.
Asked by varshini10 | 16 Mar, 2011, 12:00: AM
Expert Answer
Dear Student
As we move down the group, the size of the atoms increases. The effective nuclear force decreases, so the electrons are easily removed. This is the reason why the ionization energy decreases down a group.
Example
O>Se>Te
We hope that clarifies your query.
Regards
Team
Topperlearning
Answered by | 16 Mar, 2011, 11:11: AM
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