Imagine that all of the electrons from the given cobalt (Co)(Co) isotopes are stripped off so that only the nucleus is left behind. Which isotope's nucleus would be the most massive? A.)Co55 B.) All Co nuclei have the same mass. C.)Co57 D.)Co59 E.)Co61 Which nucleus would have the largest positive charge? A.Co61 B.All CoCo nuclei have the same charge. C. Co55 D. Co59 D. Co57

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