Question

Define atomic number

Answer 1

Answer :-

Atomic number is the number of protons present in an atom of element.

It is denoted by "Z".

Each element has unique atomic number.

Answer 2

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The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).