sir aap n yha btaya tha ki lattice k banne m jo energy release hoti h woh lattice energy hoti h tbhi aapne -U likha tha lattice energy ko.

but sir aapne aage next video m yh btaya tha ki lattice energi is the energy requred to break the bond so sir jb bond break krenge tb to energy deni padhegi to +U hona chahiye lattice energy ??

sirplz mera yh doubt clear krdijiye..