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Why does hydrogen require a specific amount of energy to remove its electron? ⚛️ This video explains the Bohr model by deriving the ionization energy of hydrogen, connecting classical mechanics, ...

Bohr’s atomic model was utterly revolutionary when it was presented in 1913 but, although it is still taught in schools, it became obsolete decades ago. However, its creator also developed a much ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly ...