d block and f block chapter-4 part-1

D block and f block
S block
P block d block f block
Electronic configuration
Samanya gud

[@mahnoorkhan60725.]

Fantastic video sir ❤❤❤❤❤

[@mahnoorkhan60725.]

😊😊😊😊😊❤❤❤❤❤😊😊

[@manjeshyadav600]

Nice

[@AshaSharma-l6c]

Thanks sir❤❤

[@abhis01hek]

❤❤❤❤

[@abhis01hek]

❤❤❤

[@abhis01hek]

Nice ❤❤❤

[@Ravan_443]

sir ap se baat krni hai

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@@Ravan_443 6398322351

[@conceptualchemistry-gf2pe]

@@Ravan_443 is no pe call kr lena