Atoms and elements are the basic backbone of the universe . explain what this statement means and how the idea of the atom has changed overtime

The protons, neutrons and electrons in an atom, also called as the "baryonic matter" is what astrophysicists think that the universe is made of. The idea of the structure of the atom has changed over time from Daltons model, to Rutherford's, and Neils Bohr's planetary model, and finally to the quantum model of an atom.

Explanation:

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