The atomic number of iodine is 53 so there are 53 protons in the nucleus, irrespective of which isotope you are considering. 53 is the atomic number and defines iodine.
There are 11 protons in a sodium nucleus.
There are 24 Protons in Chromium's nucleus.
Bohrium has 107 protons.
There are 17 protons in the nucleus of an atom of chlorine.
Lawrencium has 103 protons in the atomic nucleus.
The atomic number of phosphorus is 15. So there are 15 protons in the nucleus of protons
Each barium atom has 56 protons in its nucleus.
An atom of osmium has 76 protons in its nucleus.
Helium has 2 positive protons in its nucleus.
Uranium has 92 protons.
There are four protons in the nucleus of a beryllium atom.
The number of protons in the nucleus of an atom is equal to the atomic number of the element.