What is the automatic number of a sodium atom that has 11 protons and 12 neutrons

The atomic number is precisely the number of protons,positive charged,massive,nuclear particles Z=11. The term we would use for the element for sodium Na.If the sodium atom Z=11 then protons are have the same number of atoms.there must be equal and neutral.If it is a nuclide there must be neutrons in the nucleus.

2

Explanation:

got it right on a unit test on 3d3nuity