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If a uninegative ion has 10 neutrons and9 protons, electronicconfiguration of the atom ofthe element is |
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Answer» Solution : `X^(-) = 9` PROTONS (Z) 10 neutrons 10 electrons `Xoverset(+1e^(-))toX^(-1)`(9 electrons)""(10 electrons) Therefore , the electronic configuration of an atom is 2 , 7 |
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