A few lighter particles may be created or destroyed ( example : beta minus and beta plus decay, or electron capture decay ), but these minor processes are not important to the immediate energy release in fission and fusion.
2.
Astatine-210 and lighter isotopes exhibit beta plus decay ( positron emission ), astatine-216 and heavier isotopes exhibit beta ( minus ) decay, and astatine-212 decays via both modes, while astatine-211 undergoes electron capture.
3.
Around half a solar mass of that mass is 56 Co by beta plus decay ( with a half life of six days ) and gamma rays . 56 Co itself decays by the beta plus ( positron ) path with a half life of 77 days into stable 56 Fe.
4.
:Unlike the the Neutron which may decay more slowly when found within a nucleus, The proton's lifetime really isn't affect by it's environment ( except in the case of a beta plus decay in which the proton decays into a neutron, m but that's a different matter entirely . talk ) 19 : 27, 6 April 2013 ( UTC)
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