anion ... a single atom transforms into a positive ion called a monatomic anion, or sometimes just a monatomic ion, but that is a general term for pos or neg ions.
it is the proton
A Proton.
Proton
A positively charged particle formed from an atom [that has lost electrons] is called a cation.
A proton.
proton
Proton
Protons are a positively charged particles in an atom.
A positively charged particle in an atom is called a proton. It is located in the nucleus of the atom along with neutrons.
Proton.
A positively charged particle in an atom is the proton. Protons are found in the nucleus of the atom along with neutrons, and they carry a positive charge equal in magnitude to the negative charge of the electron. The number of protons in the nucleus determines the atomic number of an element.
proton