الرئيسية » أرشيف الوسم : Atomic structure and spectra

أرشيف الوسم : Atomic structure and spectra

Atomic structure and spectra

Atomic structure and spectra The idea that matter is subdivided into discrete and further indivisible building blocks called atoms dates back to the Greek philosopher Democritus, whose teachings of the 5th century B.C. are commonly ac­cepted as the earliest authenticated ones concerning what has come to be called atom­ism by …

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