why it is He not Be ..? as per the trend ionisation energy inc. from left to right + Be has 1s^2 2s^2 confrigution which is stable .. plx explain
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DevilDoll12:
........
here... He has fully filled orbital.. 1s²
so.. it is highly stable and is also a noble gas!!
but Be has 2p orbital blank.. i.e. electrons can jump from 2s to 2p...
being fully filled 1s² part.. its ionization energy is too high similar to noble gases...
butin Be. 2s² 2p0.. p being zero can't have such a high ionization than any of the noble gases
ohh
thanks alot
my pleasure.. proud to help u!!
Answers
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he is a noble gas so it has stable state configuration. so more energy is required to ionised it. hence more ionisation enthalpy
ohk i got it thanks alot
Answered by
1
HEYA!!!
HERE IS YOUR ANSWER,
> Well yes you are right that across a period Ionization energy increases but there's another trend that is..... Ionization Energy decreases down the group and since Be is below He in terms of group thus He has more Ionization Energy as compared to Be.
HOPE IT HELPS YOU,
THANK YOU.
HERE IS YOUR ANSWER,
> Well yes you are right that across a period Ionization energy increases but there's another trend that is..... Ionization Energy decreases down the group and since Be is below He in terms of group thus He has more Ionization Energy as compared to Be.
HOPE IT HELPS YOU,
THANK YOU.
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