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December 19, 2014

Homework Help: chem

Posted by greeny on Sunday, August 26, 2012 at 12:40pm.

which pair of atoms represent nuclei that have the same number of neutrons?
a Co36 and Co 58
b. Mn57 and Fe 57
c. Ni 58 and Fe 57
d. Ni 58 and Co 57
e. Ni 59 and Fe 56

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