Question

what is the defination of "Atomic number".​

Answer 1

The number of protons that a chemical element has in its centre (nucleus).The number of protons determines an element's atomic number (Z) and distinguishes one element from another. For example, carbon's atomic number (Z) is 6 because it has 6 protons. The number of neutrons can vary to produce isotopes, which are atoms of the same element that have different numbers of neutrons.

Answer 2

the no of portions in the nucleus of an atom which a characteristic of chemical element and

determines it's place in the periodic table

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