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Structure of the Atom (Class 9)
Thomson, Rutherford, Bohr models, valence electrons, isotopes, isobars, electronic configuration.
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Take a full mock →Q1 · Structure of the Atom (Class 9) · HARD
An element has atomic number 15. What will be the electronic configuration in the outermost shell of this element?
Q2 · Structure of the Atom (Class 9) · EASY
Which subatomic particle carries a negative charge?