EVERYDAY SCIENCE

Detailed explanation-1: -Explanation: The atomic number is used to identify an element, and the atomic number is the number of protons in the nuclei of an element. Every element has its own unique number of protons, and therefore, atomic number.

Detailed explanation-2: -The Number of Protons Define the Nature of the Elements The identity of an element is defined by Z, the number of protons in the nucleus of an atom of the element, which is different for each element.

Detailed explanation-3: -Protons are positively charged subatomic particles. The number of protons in an atom is equal to the number of electrons in it. The discovery of protons is credited to Ernest Rutherford.