None. There is no such thing as a "marticle".
There are 17 protons in the nucleus of an atom of chlorine.
there are 80 protons in the nucleus of an atom of mercury
An atom of osmium has 76 protons in its nucleus.
The number of protons in the nucleus of an atom is equal to the atomic number of the element.
One aluminum atom has one nucleus.
Electrons are the particles that circle the nucleus of an atom.
The nucleus of a silicon atom contains 14 protons.
The potassium atom has 19 electrons orbiting its nucleus.
Each barium atom has 56 protons in its nucleus.
There are 24 Protons in Chromium's nucleus.
Electrons are not located in the nucleus of an atom.
The atom is about 10,000 times as big as the nucleus.