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April 18, 2014

Homework Help: Chemistry

Posted by Peter on Sunday, September 9, 2012 at 12:07am.

Elements with an even number of protons and neutrons

A. never undergo alpha decay emission.
B. have a single magic number of protons or neutrons
C. always have a proton-to-neutron ratio of about one
D. are usually stable
E. are usually unstable

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