![]() He also said that all atoms of the same element are exactly alike, nut different elements are made up of different atoms. He stated that all things are made up of atoms, and atoms cannot be split into smaller pieces. John Dalton combined the ideas of Aristotle and his own. It incorporated ideas from the emerging field of quantum mechanics, which describes the behavior of particles at the atomic and subatomic levels. This is the model of the atomic theory Dalton proposed. ![]() Quantum Mechanical Nature: Bohr's theory introduced the concept of the dual nature of electrons, as both particles and waves.The energy emitted or absorbed corresponds to the difference in energy between the initial and final energy levels, following the equation E = hf, where E is energy, h is Planck's constant, and f is the frequency of the radiation. Werner Heisenberg contributed to atomic theory by formulating quantum mechanics with matrices and discovering the uncertainty principle, which states that the position and momentum of a particle cannot both be known. ![]() Conversely, when it emits energy, it moves to a lower energy level. Werner Heisenberg’s experiments on the atomic theory were fascinating.
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