[أحمد جمال المحمدى]

اولا شابتر structure of matter

https://linkfinal.com/VFMxyDky

ثانيا Ch 2 physical properties

https://linkfinal.com/eoPtpm

ثالثا Ch 3 mechanical properties

https://linkfinal.com/zv8pU
https://linkfinal.com/5dKMpJZ


رابعا Ch 4Adhesion
https://linkfinal.com/L4M0A]

خامسا Ch 5 polymers
https://linkfinal.com/THkJ3eJu

سادسا Ch 6 Mehttps://linkfinal.com/hscwNvUstallurgy


سابعا Ch 7 Tarnish _ corrosion
https://linkfinal.com/jmwA5