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Atomic Structure
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Introduction Atomic Structure: The no. of scientists involved in developed of this concept is remarkably large. Starting with heucippus of Miletus in 440 BC it extends to 2000's. And the research is still going on. Even the great scientist EINSTEIN had his hands in developing this extraordinary concept.
Atomic No.: Total no. of protons present in nucleus.
Mass No.: Total no. of protons & Neutrons in neucleus.
Atomic No.(Z): no. of electrons (when atom is neutral).
Mass No.(A): no. of neutrons + no. of protons.
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