Physics, 23.07.2019 06:30 kfull7053

Simple multiple choice ! 1.) in the geiger-marsden experiment, a thin gold foil was bombarded by electrons alpha particles gamma rays 2.) the chemical characteristics of an atom are determined by its: atomic number mass number binding energy number of isotopes 3.) calculate the speed of the electron of a hydrogen atom if it is in the fifth circular orbit. 4.4 x 10^5 1.1 x 10^7 any is !

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