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Givethe orderof energyof orbitalsinmultielectronatom |
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Answer» Solution :Order of energyof orbitals: Theenergyorderof orbitals of MULTI- electronatomsin ground - stateis shown in followingdiagramin itthesubsidiaryquantum NUMBER (l ) ischangethen energyof orbitalalsochange Thusenergyorderof orbitalsalsochange THUS energyorderoforbitals `1slt 2s lt 3s lt 3p lt 4slt 3d ` `lt 4plt 5s lt 4dlt 5P lt 6s lt 4f lt` order of energy In H 2s = 2p in other2 s `lt`2pandenergyof 2s in H `lt ` energyof2s of other etc  factors of affectingthe energy of orbitals : (i) Theattraction of orbitaltowardsthe nucleus(ii) Theshieldingamount of outershelltoelectronof innershellorbital(ii) the ammountof effectivenuclearchargeon outershellorbital (v ) The distanceof nucleus tooutershellis dependson thevalueof l in orbital. Shielding : Theelectronsin inner shellbetween nucleus and outershellelectrondreceasethe effectof positivechargeof nucleuson outercompleteattraction of nucleus . thiseffect iscalledshielding . shieldingmeansdecreasein positivechargeof nucleuson outerelectronby innershellelectron. |
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