Objective: To identify the difference between hydrated and anhydrous salts and to explain the effect of adding water and heating on some salts.Materials: Anhydrous copper sulfate (CuSO₄) – Anhydrous cobalt chloride (CoCl₂) – Distilled water – Dropper – Test tubes – Heat source (Bunsen burner or elec......

Keywords: Metals – Oxygen – Oxides – Chemical reaction

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......

Keywords: Periodic table – Elements – Groups – Periods – Classification

Keywords: Rutherford model – Atomic nucleus – Alpha particles – Gold foil

Keywords: Atom – Proton – Neutron – Electron – Nucleus

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

Keywords: Magnetic properties – Transition elements – Unpaired electrons – Paramagnetism – Diamagnetism – Fe – Co – Ni – Cu – Zn

Keywords: Electrons – Energy levels – Principal quantum number – Electron configuration – Electron shell

Keywords: Equation balancing – Chemical equilibrium – Reactants – Products – Atoms

Keywords: Chemical properties – Metals – Oxidation – Oxides - Magnesium

Metals and non-metalsmetals – nonmetals – conductivity – luster – hardness – matter

Keywords: Metals – Acids – Hydrogen – Chemical reaction

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