## Wikipedia - Atomo (it) Wikipedia - Neutrone (it) neutron

https://doi.org/10.1351/goldbook.N04116
@N04237@ of zero charge, spin quantum number $$\frac{1}{2}$$ and a mass of $$1.008\ 664\ 904(14)\ \text{u}$$.
Source:
Green Book, 2nd ed., p. 93 [Terms] [Book]