An atom of a sodium has 11 protons, 11 electrons, 12 neutrons. What is its atomic number?
The atomic number,
The term we would use for this element is
It would be worth your while to review these definitions. I appreciate that there are a lot of them, but atomic structure does make sense on the basis of neutrality, and the equality of positive and negative charges. If you're unsatisfied, state your objections, and someone will attempt to help.
the answer is 11.
ok, let us understand what is an atomic number, an atomic number is simply the proton number, the atomic number is always seen at the bottom left corner in a element of a periodic table, it is the number of proton in a atom of a certain element