Neutron (on1, N)
(1) Neutron was discovered by James Chadwick (1932) according to the following nuclear reaction, 4Be9 + 2He4 → 6C12 + on1 or 5B11 + 2He4 → 7N14 + on1
(2) Neutron is an unstable particle. It decays as follows,
on1 → 1H1 + -1e0 + 0v0
neutron Proton electon antinutrin o
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