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Metal and Alloys

What is the isotope's charge for potassium 39?


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November 08, 2008 10:25PM

0 is the charge of the isotope because it has 19 electrons and 19 protons but 20 neutrons. Even if the number of neutrons changes it has no effect on the charge of the atom so 19- and 19+ leads to a neutral or no charge. 0 is the answer