The specific number of protons present in the nucleus of every an atom is called its?

ہر ایٹم کے نیوکلئس میں موجود پروٹانس کی مخصوص تعداد اس کو ____ کہتے ہیں؟

Atomic Number

Mass Number

Atomic Mass

Valance Number

The atomic number (Z) is the number of protons present in the nucleus of an atom.
It determines the identity of an element.
It is a unique identifier for each element.