Definition:Iron/57

Isotope of Iron
Iron-$57$ is the isotope of iron which has $31$ neutrons in addition to its $26$ protons.

Fe-$57$ is one of the $4$ stable isotopes of iron, forming $2.12 \%$ of the naturally occurring iron.

Also see

 * Definition:Iron/54
 * Definition:Iron/55
 * Definition:Iron/56
 * Definition:Iron/58
 * Definition:Iron/59
 * Definition:Iron/60