Write outer electronic configuration of Cr atom. Why are the filled orbitals more stable?

cbse
structureofatom

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Write outer electronic configuration of Cr atom. Why are the filled orbitals more stable ?
(ii) State Heisenberg’s uncertanity principle. An electron has a velocity of 50 m${{s}^{-1}}$, accurate upto 99.99% Calculate the uncertainty in locating its position.


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