Difference Between the Number of Electrons In L and M shell of a atom with atomic number 13.
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In an atom , L and M shells have the same number of electrons . N shell has one electron less than K shell . Explain the formation of compound by this element and oxygen atom.The electronic arrangement of the element could be 2 , 8 , 8 , 1 it corresponds to Z = 19 and element is potassium . Oxygen requires 2 electronic arrangement of 2 , 6 . Potassium loses one electron to form K+ ion , oxygen requires 2 electronic to complete its octet . therefore it takes 2 electrons from two potassium atoms forms
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5
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Answer is 8-3=5
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