The Atomic Number of Tin is 50.
Ten (10) stable isotopes of Tin occur in nature ... the greatest
number of stable isotopes of any element. Their Atomic Weights
are 112, 114, 115, 116, 117, 118, 119, 120, 122, and 124.
They have 62, 64, 65, 66, 67, 68, 69, 70, 72, and 74 neutrons respectively.
The most abundant isotope is the one with the Atomic Weight of 120.
It comprises about 1/3 of all Tin. It has 70 neutrons in the nucleus of
each atom.