Chapter#1 Basic Concepts
Atom ایٹم A long time ago, it was thought that matter (مادہ) is made up of simple, indivisible (ناقابل تقسیم)
Read moreAtom ایٹم A long time ago, it was thought that matter (مادہ) is made up of simple, indivisible (ناقابل تقسیم)
Read more