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Q: Explain why the first ionization energy of lithium is less than that of berylium, but the second ionization energy of berylium is greater than that of lithium If you could explainthe whole concept clearly it would be better Thanks in Advance Mridul

Q: Explain why the first ionization energy of lithium is less than that of berylium, but the second ionization energy of berylium is greater than that of lithium


If you could explainthe whole concept clearly it would be better


 


Thanks in Advance


Mridul

Grade:12

1 Answers

Aman Bansal
592 Points
10 years ago

Dear Mridul,

To remove an additional electron from lithium would be removing an electron from a full energy sub-level whereas removing the second electron from beryllium would leave a more stable full outer electron level.

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Thanks

Aman Bansal

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