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Chemistry Coach 1 07/11/2021 Quantization of Kinetic Energy More than 120 years ago, Max Planck formulated the mathematical theory of quantized energy in his endeavor to explain black body radiation... atomic spectra blackbody blackbody radiation discrete Planck’s constant quantization View Article 2 16/10/2021 What is the International System of Units? The International System of Units consists of seven defining constants, seven base units, and 22 derived units. International System of Units physical quantities defining constants base units derived units cesium hyperfine splitting frequency speed of light vacuum Planck constant elementary charge Boltzmann constant Avogadro constant Kinematic SI Derived Units Mechanical SI Derived Units Molar SI Derived Units Electromagnetic SI Derived Units Photometric SI Derived Units Thermodynamic SI Derived Units International System of Quantities Base Quantities Derived Quantities View Article