This depends directly upon the mass of the star, and to a smaller extent, composition.
Let's use the Sun, for example
It masses 1.989e+30 kg, or 1,989,000,000,000,000,000,000,000,000,000 kg.
About 90% of the Sun's mass is protons (in the form of Hydrogen.). There is some Helium, Oxygen and other elements in the Sun, but on average, these only make up about 20% of the Sun's mass and they are just under 50% protons.
Assuming 90% protons, the Sun then contains 1.79e+30 kg of protons. Weight of protons = 1 gram per mole (a mole = 6.02e+23),
So, the sun has about 1.0775e+57 protons.
In longhand, that's
1,077,500,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
This number is pronounced 1.0775 Octodecillion. I didn't make this name up - see
http://en.wikipedia.org/wiki/Octodecillion
When a neutron star is formed, protons and electrons are crushed, they collide and become neutrons.
Neutron Stars are stars that have collapsed to the point where electrons and protons are smashed together.
When you combine an electron with a proton you make a neutron. Therefore you make a "neutron" star.
Beryllium has four protons.
Beryllium has 4 protons
The protons and electrons fuse to form neutrons.
When a neutron star is formed, protons and electrons are crushed, they collide and become neutrons.
A neutron star.neutron star
Osmium has as many protons as it needs
39 protons
It has 26 protons.
2 protons
Bohrium has 107 protons.
26 protons
Neutron Stars are stars that have collapsed to the point where electrons and protons are smashed together.
how many protons does the carbonate ion have?
None -- all protons are protons, which are different from neutrons.