Now the name is roentgenium and the chemical symbol Rg; roentgenium has 111 protons because the atomic number is also 111.
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.