The identify of an element is determined by ______?

کسی عنصر کی شناخت ______ کے ذریعہ طے کی جاتی ہے؟

The number of its electron

The number of its neutron

The number of its proton

None of these

The atomic number (number of protons) uniquely identifies an element.

Changing the number of protons changes the element itself, while electrons and neutrons can vary.