Thorium 232 has 90 protons and electrons and 142 neutrons. Electron configuration: 6d27s2
The atomic weight (not mass !) of thorium is 232,0381.
The atomic weight of thorium-232 is approximately 232.03806 atomic mass units (u).
The atomic weight of thorium 232 is 232,0381
Thorium (Th).
232.0381
Thorium, with the chemical symbol Th, is the chemical element with the atomic number 90.
Thorium is a member of the actinoids family; the atomic number is 90.
Thorium is a member of the actinoids family.
Thorium's atomic number is 90. Thus, thorium has 90 protons per atom. To be electrically neutral then, thorium must also have 90 electrons per atom.
thorium
The atomic number of thorium is 90. so it will always have 90 protons in all its isotope.
Thorium has 90 protons. It does not matter which isotope is involved.