Atomic Number

[Dr.Junaid]

Q. What is Atomic Number?
Ans. Atomic Number of an element is number of protons in nucleus or number of electrons around nucleus of an atom.

[amycompton]

Atomic number is the number of protons found in the nucleus of an atom and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z. The atomic number uniquely identifies a chemical element. In an atom of neutral charge, the atomic number is also equal to the number of electrons.