Structure of Atom

11 Class Chapter 2- Structure of Atom Atomic Theory of matter According to this theory , atom is the ultimate particle of matter , also known as Dalton’s Atomic theory 1808. Cathode ray discharge tube experiments: - 1. Cathode rays start from cathode and move toward anode. 2. These rays are not visible but there behavior can be observed with fluorescent or phosphorus sent material. 3. In the absence of magnetic or electric field these travels in strait lines 4. In the pre