2s 2
Two elements X and Y have following electronic configuration X 1s 2 ,2s 2 ,2p 6 ;3s 2 ,3p 6 ;4s 2 Y 1s 2 ,2s 2 ,2p 6 ;3s 2 ,3p 5 The expected compound formed by combination of X and Y will be expressed as
01
Dec
Two elements X and Y have following electronic configuration X 1s 2 ,2s 2 ,2p 6 ;3s 2 ,3p 6 ;4s 2 Y 1s 2 ,2s 2 ,2p 6 ;3s 2 ,3p 5 The expected compound formed by combination of X and Y will be expressed as 2p 6 ;3s 2 2s 2 3p 5 [...]
If the nitrogen atom had electronic configuration 1S 7 , it would have enrgy lower than that of the normal ground state configuration 1s 2 ,2s 2 ,2p 3 , because the electrons would be closer to the nucleus. Yet 1s 7 is not observed because it violates.
30
Nov
If the nitrogen atom had electronic configuration 1S 7 , it would have enrgy lower than that of the normal ground state configuration 1s 2 ,2s 2 ,2p 3 , because the electrons would be closer to the nucleus. Yet 1s 7 is not observed because it violates. 2p 3 2s 2 because the electrons [...]