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Is it true that the second ionization energy of elements is always greter than the first ionization energy?

6 years ago


Answers : (2)


Not necessarily.

For Alkali Earth metals like Be, Mg, Ca, Sr, Ba, the second ionization potential is lesser than the first IE as they attain a Alkali metal valece configuration after the first Ionization.

6 years ago

yes  for example-

take Na (sodium) when one outer electron is removed  I.E 1

NOW IT ATTAIN configuration of neon hence removal of electron require high energy then I.E1


6 years ago

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