Structure of Atom… Very important questions and answers

1. Who discovered the electron?A) J.J. ThomsonB) RutherfordC) Niels BohrD) James Chadwick✅ Answer: A) J.J. Thomson 2. Which experiment led to the discovery of the nucleus in an atom?A) Cathode ray experimentB) Gold foil experimentC) Oil drop experimentD) Hydrogen spectrum analysis✅ Answer: B) Gold foil experiment 3. Cathode rays are composed of:A) ProtonsB) NeutronsC) ElectronsD)…

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    Electronic Configuration ; very important questions are here..!

    What is meant by the electronic configuration of an element ? An element’s electronic configuration is a symbolic representation illustrating how its atoms’ electrons are distributed across various atomic orbitals. When documenting electron configurations, a standardized format is employed: first noting the energy level and type of orbital, then expressing the number of electrons in…

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