Question

what is atomic number​

Answer 1

Explanation:

The atomic number (symbol: Z) of an atom is the number of protons in the nucleus of the atom. The atomic number of an atom identifies which element it is. In a neutral atom, the atomic number is equal to the number of electrons orbiting the nucleus. The elements of the periodic table are listed in order of increasing atomic number.

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Answer 2

Answer:

The number of electrons and protons present in atom. It is represented by Z