Barium 137 has 56 protons and 56 electrons.
The number of neutrons in one atom of barium is typically 81. Barium has an atomic number of 56, which represents the number of protons in the nucleus. The number of neutrons is calculated by subtracting the atomic number from the atomic mass (usually rounded to the nearest whole number).
Beryllium has 4 protons
You can tell how many protons an element has from its atomic number. So the atomic number of Strontium is 38..so it has 38 protons.
26 protons
Beryllium has four protons.
The number of neutrons in one atom of barium is typically 81. Barium has an atomic number of 56, which represents the number of protons in the nucleus. The number of neutrons is calculated by subtracting the atomic number from the atomic mass (usually rounded to the nearest whole number).
Osmium has as many protons as it needs
2 protons
It has 26 protons.
Bohrium has 107 protons.
26 protons
39 protons
how many protons does the carbonate ion have?
Beryllium has 4 protons
Oxygen has eight protons.
Livermorium has 116 protons.
None -- all protons are protons, which are different from neutrons.