Quantum Number
Quantum Numbers and Atomic Orbitals
Quantum numbers such as principal, azimuthal, magnetic, and spin quantum number are the identification number of an electron present in...
pH Scale
How to Calculate pH and pOH of a Solution?
pH and pOH scale define and measure the acidity and basicity of neutral, acidic, and basic...
Le Chatelier Principle
Chemical Equilibrium and Le Chatelier's Principle
Le Chatelier's principle in chemistry predicts the effect on the system at chemical equilibrium when some of the factors...
Atomic Theory Questions
Atomic Theory Multiple Choice Questions
Atomic theory multiple choice questions or quizzes set in online learning chemistry for school college students provide 9 practice problems...
Alkenes Olefins
Alkene or Olefin in Organic Chemistry
Alkenes names as olefins like ethylene, propylene, butylene, etc are unsaturated hydrocarbon containing at least one double or olefinic...
Chemical Kinetics
Chemical Kinetics in Chemistry
Chemical kinetics is the branch of physical chemistry concerned with the rate change of concentration of reactants and products of chemical...
Graham’s Law
Graham's Law of Diffusion
Graham's Law of diffusion and effusion in chemistry was proposed by Scottish physical chemist Thomas Graham in 1948 to study the...
Alpha Beta Gamma
Alpha Beta Gamma Rays Properties
Alpha, beta, gamma rays radiation in radioactivity is the spontaneous radioactive decay of atomic particles in the form of energy...
Van der Waals Equation
Van der Waals Equation of State
Van der Waals equation of state is given by modifying the ideal gas law in 1873. He put the...
Acids Bases
Acids and Bases Properties
Acids and bases in chemistry commonly possess some opposite properties. For example, acids are chemical substances whose aqueous or water solution...









