how many protons and neutrons are in the nuclide 20781tl
20781Tl
from The equation is N= A-Z, where N is the number of
neutrons, A is the atomic mass and Z is the atomic number.
the atomic number is the subscript which is 81 and the atomic
mass is the superscript
the number of protons is equal to the 81 while the neutron N=
207-81 =126 NEUTRONS
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