Objective: To deduce that cathode rays are negatively charged particles as proven by ThomsonMaterials: Cathode ray tube _ electric power source _ magnetSteps: Connect the cathode ray tube to a power source Observe a straight luminous beam inside the tube Bring the magnet closer and observe what happ......

the goal:The hydrogen atom discrete spectroscopyMaterials and tools:Hydrogen gas electrical discharge tube - triple glass prism - white screen - two vertical micro-slits opposite each other - metal rod - connecting wiresSteps:1-Connect the positive terminal of the voltage source to the base of the e......

Keywords: Atom – Proton – Neutron – Electron – Nucleus

Keywords: Millikan experiment – Oil drop – Electron charge – Electric field – Atomic physics

Keywords: Atomic mass – Protons – Neutrons – Atom – Mass number

Keywords: Photoelectric effect – Electrons – Light – Emission

Keywords: Mass spectrometer – Ions – Mass – Charge – Separation

Keywords: Radiation – Alpha rays – Beta rays – Gamma rays – Radioactivity – Nucleus

Keywords: Body parts – Body organs – Interactive model – Body structure – Simplified anatomy